A scientist named Joseph Connell studied two species of barnacles on the shore of a Scottish island. In the area between the average tide and the neap high tide, he found that the population of Species A was smaller than that of Species B. He removed Species B from one area but left both Species A and B in a similar area. The graph below shows the results of this study.
Based on these data, which hypothesis was Connell most likely testing?
Select one:
The two species of barnacles compete with each other for resources.
The two species of barnacles are closely related to each other.
Barnacles grow larger when they are isolated from other species.
The populations of both species of barnacles increase more in warm water than in cool water.
Answers
Answer:
what im thinking its maybe c?
Explanation:
tell me if im wrong
Related Questions
A student is studying a gray pine (conifer/gymnosperms), an apple tree and an avocado tree. After conducting research about them she discovers some similarities and differences between them. What are some of the differences and similarities she probably discovered? (Hints: think about how they reproduce)
Answers
The table shown here provides new information on the population of four kinds of insects recently introduced into a new habitat. Based on the evidence from the data table, which insect population, by day 400 is NOT yet being limited in its growth by factors within the habitat?
Answers
Answer:
Group B.
Explanation:
Answer:
Based on the evidence from the data table, Group B insect population, by day 400 is NOT yet being limited in its growth by factors within the habitat.
What does a 20x magnification mean?
I can zoom in 20 times on an object
An object is magnified 20 times larger than normal
A magnifying lens is used 20 times on an object
Answers
Answer: B. An object is magnified 20 times larger than normal
Explanation:
C. is wrong because you are not just magnifying something 20 different times,
A. is wrong because it does not give a starting point for the magnification
b. is correct because it gives a starting and endpoint for the magnification.
pls help me, I need this rn, thank you!
Answers
Answer:
1.) DEPED: Department of Education;
Role: Improving the quality of education
2.) DENR: Department of Environment and National resources;
Role: Conservation, management, and development of the country's environment and natural resources.
3.) DOST: Department of Science and Technology
Role: The executive department of the Philippine Government responsible for the coordination of science and technology-related projects in the Philippines
4.) DSWD: Department of Social Welfare and Development
Role: Develop, implement and coordinate social protection and poverty-reduction solutions for and with the poor, vulnerable, and disadvantaged.
5.)TESDA: Technical Education and Skills Development Authority
Role: The government agency tasked to manage and supervise technical education and skills development in the Philippines.
Explanation:
VERY LATE REPLY, SORRY!!!!
These are just some of the Philippine government agencies that are involved in protecting the environment. There are many other agencies that play a role in this important task.
What are these agencies?Department of Environment and Natural Resources (DENR): The DENR is the lead agency in the formulation and implementation of environmental policies, laws, and regulations. It is also responsible for the management of natural resources, including forests, wildlife, and marine resources.
Department of Science and Technology (DOST): The DOST conducts research on environmental issues and develops technologies to address them. It also provides technical assistance to other government agencies and the private sector in the implementation of environmental programs.
Department of Social Welfare and Development (DSWD): The DSWD provides social services to people affected by environmental disasters. It also provides assistance to communities that are vulnerable to environmental hazards.
Technical Education and Skills Development Authority (TESDA): TESDA trains people in environmental-friendly technologies and practices. It also provides certification to workers in the environmental sector.
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Please help I only got a bit of time to finish this
Answers
Answer:
Yes his eveidence is strong because its true whena strong magnet touches another syroug magnet they dont touch but when it touches weak they touch ( tell me if its right)
Explanation:
. The measurement of an objects thermal energy is known as-
Answers
Answer: Temperature
Explanation:
Seed Germination Investigation
The students are to investigate the process of seed germination during their summer
vacation.
They will select different types of seeds, such as beans, peas, or sunflower seeds.
Encourage students to set up a germination experiment by placing the seeds in
different conditions, such as light vs. dark, or wet vs. dry. Moreover, they need to
pot the same seed in more than one pots.
They should observe and document the changes that occur over time, including the
emergence of roots and shoots.
Answers
Answer:
Okay...In this case I suggest you use corn seed or beans seed
Explanation:
It should take about 6 weeks to see the Germination, until then continue watering it and giving it sunlight
The seed germination investigation during the students' summer vacation involves selecting various seeds (e.g., beans, peas, sunflower) and setting up an experiment. They will place the seeds in different conditions, like light vs. dark or wet vs. dry, and pot the same seed in multiple pots. Throughout the investigation, the students are expected to carefully observe and document the changes that take place over time, including the growth of roots and shoots. This hands-on approach allows them to gain practical knowledge of seed germination and develop essential scientific skills in observation, data collection, and documentation.
help write else a paragraph
Answers
Answer:
You cant write a essay on something like that but you can write a document for it though
Explanation:
How do you explain that the moon sometimes becomes invisible to the observer?
Question 9 options:
This is called a new moon
The sun and moon are on the same side as Earth.
The side of the moon lit by the sun cannot be seen.
The moon is always invisible
Answers
Answer:
The answers are B,c
Explanation:
The moon sometimes becomes invisible to the observer, why is it in the phase called new moon.
What does it mean when the moon doesn't appear?During the new moon phase, as the sun is illuminating the far side of our natural satellite, it cannot be seen by us either during the day or during the night. During the full moon, it only appears on the celestial horizon when it is already dusk.
With this information, we can conclude that the moon sometimes becomes invisible to the observer, because it is in the phase called new moon.
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BRAINLIEST
While savannas and temperate grasslands are both types of
grasslands and share many characteristics, they also have
some differences. Compare them below by writing each
characteristic in the correct location. You will use each only
once.
• home to many types of grazers
• experience all seasons of weather
• home to bison
• home to the African elephant
• example: tallgrass prairies of North America
• example: Serengeti in Tanzania
• also known as tropical grasslands
• few trees due to little rainfall
1)
(Savannas)
(Both Types of
Grasslands)
(Temperate
Grasslands)
Answers
Answer:
S - Savannas are typically found in tropical or subtropical regions.
S - Savannas tend to have more trees and shrubs.
S - Savanna's climate is drier than that of a grassland.
G - Grasslands are found in temperature regions.
G - Temperature Grasslands are mainly devoid of trees, receive less rainfall than Savannas & endure broader temperature extremes.
G - Grasslands make up 25 percent of the Earth's land surface and dominate in regions with limited rainfall, which prevents forest growth. This results from nearby mountain ranges that cause rain shadows over adjacent open-range lands.
B - Both represent the world's richest and most diverse ecosystems. They both provide a home for a quarter of the world's population and a habitat for thousands of plants and animals.
B - Many species gather in vast numbers, graze on the varied grasses, and can be found nowhere else on Earth. The coexistence between wildlife and grasses is key to healthy ecosystems. Animal migrations regenerate the landscapes, by controlling pests, dispersing seeds, and trampling invasive species. Through this partnership, grasslands and savannahs generate vital benefits for both people and nature.
B - Ecosystems such as these two in specific are essential for climate mitigation – they store carbon, locking it deep in the soil and extensive root systems. They are the source of or support many of the world’s biggest rivers and wetlands, ensure food security, support livelihoods, and are embedded in the cultural identity of millions of people.
(Also, A savanna or savannah is a mixed woodland-grassland<---similarity)
Explanation: Just research. I decided to state 3 characteristics for both The Savanna and The Grasslands, and then 3 for "B" (both).
(Both Types of Grasslands) experience all seasons of weather, few trees due to little rainfall
(Temperate Grasslands) home to bison, example: tallgrass prairies of North America
There are 100s of different dog breeds. How did humans develop all of these different dog breeds ? Rewind the video if you are not sure. (pick one)
a. breeding dogs with traits that are similar and specialized for what humans wanted.
b. natural evolution
c. random chance
Answers
Answer:
a
Explanation:
Living organisms are made up of cells. Cells are organized at different levels to form very complex living organisms like your body. Each level has a specific role or job to perform. Which of the following lists these levels in the correct order of organization from the simplest to the most complex? A. Cells, tissues, organs, organ systems, organisms B. Organisms, organ systems, organs, tissues, cells C. Tissues, cells, organs, organisms, organ systems D. Organs, organ systems, organisms, cells, tissues
Answers
Answer:
A. Cells, tissues, organs, organ systems, organisms
Cells, tissues, organs, organ systems, organisms is the correct order of levels of organization. The correct option is A.
What is level of organization?Biological organization is the reductionistic hierarchy of complex biological structures and systems that define life. The traditional hierarchy basically goes from atoms to biospheres.
These components are organized into levels. Cells, tissue, organs, organ systems, and organisms are the five levels.
Cells are the building blocks of all living things. This is what sets living things apart from other objects.
The organism level is the most advanced level of organization. An organism is a living being with a cellular structure that can perform all physiologic functions required for life on its own.
An organism is organized into four levels: cells, tissues, organs, and organ systems. These levels group complex anatomical structures; this organization creates the components easier to understand.
Thus, the correct option is A as cell is the basic level while organism is the highest level of organization.
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What are the thin fibers of the human nervous system called?
tendons
nerves
spinal cord
ligaments
Answers
Answer:
nerves
Explanation:
please mark me as brainnest
Answer:
B. nerves.
Explanation:
These fibers emanate from the brain and the spinal cord and branch to every part of the body.
How does the cardiovascular system interact with the respiratory system?
A.
Blood helps the brain interpret different smells.
B.
Blood helps the lungs to inflate and deflate to breathe.
C.
Blood transports oxygen from the lungs to other organs.
D.
Blood transports nutrients from the stomach to other organs.
Answers
What are the 3 products of alcoholic fermentation?
Answers
describe how root hairs absorb nitrate ions from soils with low nitrate concentrations?
Answers
Explain why light traveling through an eyeglass lens refracts.
Answers
Answer:
Explanation:
Since the light ray is passing from a medium in which it travels relatively slow (more optically dense) to a medium in which it travels fast (less optically dense), it will bend away from the normal line. ... Rather, these incident rays diverge upon refracting through the lens.
Light traveling through an eyeglass lens refracts because of the difference in the refractive index of the lens material and the air that is present surrounding it, as light bends differently in different mediums.
What is the significance of the light refraction?Light traveling through an eyeglass lens refracts because of the difference in the refractive index of the lens and the air, so when light enters something with a different refractive index, such as an eyeglass lens, it slows down and changes direction, and the difference in thickness in the eyeglass causes light rays entering the lens from different angles to be bent differently.
Hence, light traveling through an eyeglass lens refracts because of the difference in the refractive index of the lens material and the air that is present surrounding it, as light bends differently in different mediums.
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Seed Germination Investigation
The students are to investigate the process of seed germination during their summer
vacation.
They will select different types of seeds, such as beans, peas, or sunflower seeds.
Encourage students to set up a germination experiment by placing the seeds in
different conditions, such as light vs. dark, or wet vs. dry. Moreover, they need to
pot the same seed in more than one pots.
They should observe and document the changes that occur over time, including the
emergence of roots and shoots
Answers
Answer:
b
Explanation:
I took test
Answer: Encourage students to set up a germination experiment by placing the seeds in different conditions, such as light vs. dark, or wet vs. dry. Moreover, they need to pot the same seed in more than one pot.
Explanation:
This option provides a clear and practical approach to the seed germination investigation. By setting up different conditions for the seeds, such as light vs. dark or wet vs. dry, the students can observe and compare how these conditions affect the germination process. Additionally, potting the same seed in multiple pots allows for a controlled comparison within the experiment.
By manipulating these variables, the students can gather valuable data and observations regarding the influence of light and moisture on seed germination. This approach promotes a hands-on and investigative learning experience, encouraging students to actively engage with the scientific process while documenting the changes that occur over time, such as the emergence of roots and shoots.
In which of the following ways do scientists most frequently communicate the results of their experiments with other scientists? A. present their results at a scientific convention B. create a television advertisement with their results C. publish their results in the local newspaper D. all of these
Answers
Answer:
present their results at a scientific convention
Explanation:
Scientists typically communicate their results with other scientists in one of two ways. They either present their results at a scientific convention or they publish their results in a reputable scientific journal.
The way scientists most frequently communicate the results of their experiments with other scientists is by presenting their results at a scientific convention is a way scientists.
What is an experiment?An experiment is a scientific research or findings that is carried out to get an hypothesis or find out about an outcome of a result and to validate a claim whether it is certain or not.
Therefore, The way scientists most frequently communicate the results of their experiments with other scientists is by presenting their results at a scientific convention is a way scientists.
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A city is concerned about global warming and smog. It wants to reduce the impact of its use of fossil fuels. Explain how the city could use technology to reduce fossil-fuel use by changing (a) its transportation, (b) its buildings, and (c) services for city residents.
Answers
Answer:
I think its a
Explanation:
cars and stuff use fossil fuels, therefore changing transportation may reduce its fossil fuel usage.
Match the 8 different phylum to their correct description. Write the name of each phylum and the description next to it. Then, list 2 examples of organisms that belong to each phylum
1) PHYLUM ARTHROPODA
2) PHYLUM CNIDARIA
3) PHYLUM ANNELIDA
4) PHYLUM ECHINODERMATA
5) PHYLUM PORIFERA
6) PHYLUM PLATYHELMINTHES
7) PHYLUM MOLLUSCA
8) PHYLUM NEMATODA
Descriptions of phyla
-Acoelomate but bilateral; the flatworms
-Coelomate; the segmented worms
-Chitinous exoskeleton with jointed appendages
-Unsegmented & pseudocoelomate; the round worms
-Coelomate often with a cell; the mollusks
-Marine with radial symmetry; have tube feet & water vascular system
-They lack true tissues and organs; the sponges
-Aquatic with two cell layers & radial symmetry; the corals, jellyfish, and anemones
Answers
Answer:1) -Chitinous exoskeleton with jointed appendages ( Spider, Bee)
2)Aquatic with two cell layers & radial symmetry; the corals, jellyfish, and anemones ( Jelly Fish, Coral)
3)Coelomate; the segmented worms (Earth Worm, Leech)
4) Marine with radial symmetry; have tube feet & water vascular system ( Sea Urchins, Starfish)
5) They lack true tissues and organs; the sponges ( Spongilla, Sycon)
6)Acoelomate but bilateral; the flatworms (Tape Worms, Planaria)
7)Coelomate often with a cell; the mollusks (Scallops, Hard Clam)
8)Unsegmented & pseudocoelomate; the round worms(Round Worm, Human Pinworm)
Explanation:
Examples: insects, crabs, spiders
2. PHYLUM CNIDARIA - Aquatic with two cell layers & radial symmetry; the corals, jellyfish, and anemones
Examples: coral, jellyfish
3. PHYLUM ANNELIDA - Coelomate; the segmented worms
Examples: earthworms, leeches
4. PHYLUM ECHINODERMATA - Marine with radial symmetry; have tube feet & water vascular system
Examples: starfish, sea urchins
5. PHYLUM PORIFERA - They lack true tissues and organs; the sponges
Examples: sponge, glass sponge
6. PHYLUM PLATYHELMINTHES - Acoelomate but bilateral; the flatworms
Examples: tapeworms, flukes
7. PHYLUM MOLLUSCA - Coelomate often with a cell; the mollusks
Examples: snails, clams
8. PHYLUM NEMATODA - Unsegmented & pseudo coelomata; the round worms
Examples: roundworms, hookworms
A biome is determined by ______, _____, and _____
climate, latitude, weather
plants, precipitation, seasons
climate, latitude, elevation
evaporation, temperature, animals
and
Answers
Answer:a is the answer
Explanation:
In an oil spill, why does the oil not mix with the sea water
Answers
Lipids are hydrophobic
Correct me if I’m wrong
Professor Parsons says
that Cramwood made a
mistake with his BAAD.
What could it have been?
What do you predict the
court will say? Write your
answer to the question
below on the other side
of this page
Answers
By adding tape to his BAAD, Cramwood increased its mass and increased
its inertia. The bigger BAAD requires more force to stop and ends up smacking Cramwood in the head when he applies the brakes.
What is inertia?Inertia is the tendency of an object to resist a change in its motion. Specifically, it is the property of matter that causes an object to maintain its state of rest or uniform motion in a straight line unless acted upon by an external force.
In other words, an object at rest will remain at rest, and an object in motion will continue to move at a constant speed and in a straight line, unless acted upon by an external force.
The amount of inertia an object has depends on its mass, with more massive objects having more inertia than less massive objects.
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After assembling the materials, record your observations. Describe what the setup looks like and the color of the leaves and twigs. Predict what changes will take place over the next few weeks.
Answers
Answer: here is an answer sorry if it's not what u were looking for but I have no information to correctly answer this ques
Explanation:
In the areas with lots of human interference, human activity has contributed to a lower biodiversity. People might litter on the ground or simply step on animals. Other times, people may add chemical fertilizers and pesticides to the soil. These activities all contribute to a loss of biodiversity. A low biodiversity is unfavorable because these ecosystems take longer to recover from environmental changes.
Suppose you were asked to research information about a potentially dangerous synthetic food product. How would you evaluate the credibility of the sources you found?
Answers
Anna applies a force of 84n Nto lift her baby nephew 2.0 m. How much work
does Anna do? Answer
Answers
Answer:
168 J
Explanation:
Work can be calculated using the following formula.
w=f*d
where w is work, f is force, and d is distance.
Anna applied a force of 84 Newtons, and lifted the baby 2.0 meters.
f=84 N
d=2 m
Substitute these variables into the formula.
w=84 N* 2 m
Multiply
w=168 N-m
A N-m is the same as a Joule, or J.
w= 168 Joules
Anna does 168 Joules of work.
As Darwin was developing his ideas about evolution, hr applied ideas from many fields, including geology, economics, and biology. Why was this approach important?
Answers
Answer and explanation:
Darwin's theory of natural selection is important because it enables us to understand the forces driving evolution in living organisms. This evolutionary mechanism may also be used in different research fields ranging from molecular biology to economy.
The evolution theory states that the organisms that are better adapted to the environment have more chances to survive and to reproduce, thereby perpetuating their own genes in future generations. This idea of selection can also be applied to other disciplines. For example, in the economics field, it has been proposed that Darwin's theory may explain why those traits related to morality (such as fairness, honesty and integrity) which are beneficial for one particular group but not for the individual are not selected in real life.
The information regarding the importance of an approach is explained below:
The following information should be considered:
Darwin's theory of natural selection is siginificant since it enables us to understand the forces driving evolution in living organisms. This evolutionary mechanism might also be applied in different kinds of research fields that ranged from molecular biology to economy. The evolution theory represents that the organisms that are better adapted to the environment contains more chances to survive and to reproduce, thereby perpetuating their own genes in future generations.Learn more; https://brainly.com/question/952353?referrer=searchResults
Observation
Use your senses to make an observation about your environment.
Questions
Create a hypothesis that can be tested in an experiment.
Remember, a hypothesis has a specific "if then" wording.It describes what will happen to the dependent variable when changes are made to the independent variable.For example, "If a plant is fertilized (independent variable), then it will grow faster (dependent variable)."
Design and plan an experiment.
Be sure to identify an independent variable, a dependent variable, and any controls.Remember, controls are factors which stay the same.In an experiment designed to test the previously stated hypothesis, one control would be to use the same kind of plant.Write a complete description of your experiment.Include a list of necessary materials.It is a good idea to follow a step-by-step procedure format.Think of everything you need to do, then write it down in the order it must be completed.Your description and procedure should be clear enough that another person could duplicate your experiment exactly.
Answers
Answer: E
Explanation:
Experiment Design:
Independent Variable: Intensity of light (Low, Medium, High)
Dependent Variable: Rate of photosynthesis (measured by oxygen production or CO2 consumption)
Control: Same kind of plant, constant temperature, constant CO2 concentration, constant water availability, and constant duration of light exposure.
Materials:
Three identical potted plants (of the same species)
Light source(s) with adjustable intensity
Light meter (lux meter) to measure light intensity
CO2 gas sensor or oxygen gas sensor
Timer or stopwatch
Water supply
Thermometer
Data recording sheets
Procedure:
Set up the three identical potted plants in a controlled environment with the same temperature and CO2 concentration.
Ensure that all plants receive the same amount of water.
Place the light source(s) at an equal distance from the plants.
Measure and record the initial light intensity using the lux meter.
Adjust the light intensity to low for the first plant, medium for the second plant, and high for the third plant.
Start the timer and expose the plants to light for a specified duration (e.g., 1 hour).
During the exposure period, measure and record the temperature, CO2 concentration (if possible), and light intensity at regular intervals.
After the exposure period, use the CO2 gas sensor or oxygen gas sensor to measure the change in CO2 concentration or oxygen production, respectively, in the surrounding air.
Record the data obtained from the sensors and calculate the rate of photosynthesis for each plant.
Repeat the experiment multiple times to ensure reliability and average the results.
Analyze the data collected and compare the rates of photosynthesis among the three different light intensities.
Draw conclusions based on the analysis and determine whether the hypothesis is supported or rejected.
By following this experimental design, you can test the hypothesis and determine the effect of light intensity on the rate of photosynthesis in plants. Remember to conduct the experiment in a controlled environment and gather sufficient data for accurate analysis.
Choose the answers below that correctly describe Venus.
Select all that apply.
Practice
A
Venus is still very similar to Earth and has liquid water.
B
Venus is dry, hot, and likely covered with sand dunes.
C
Venus is a star, like the sun, because it glows in the sky along with the other stars.
D
At some point in its past, Venus may have had a surface similar to Earth's that included liquid water.
Answers
Answer:
D
Explanation:
It is completely dry, however, and has long rivers of molten lava and thousands of volcanoes, but it also has a surface similar to earth .. although Mars is more similar to earth.