i did this question in my biology class. ill text u the answers
(for anyone confused, ik him irl)
have a good day :)
witch species would have the greatest competition
Those species would have the greatest competition that have a common food source or feed on the same type of animal.
What animals use competition?Organisms from different species compete for resources which is also called interspecies competition. For example, sharks, dolphins, and seabirds often eat the same type of fish in ocean which leads to Competition between them. So those animals that eat same type of food have greatest competition.
So we can conclude that those species would have the greatest competition that have a common food source or feed on the same type of animal.
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a researcher who is trying to determine how many words for snow exist among the eskimo is practicing
The Sapir-Whorf hypothesis, commonly known as linguistic relativity. According to this theory, the language we use affects how we think and how we view the world.
What approach does linguistic anthropology take?To get local interpretive glosses of the communicative material they capture, linguistic anthropologists collaborate with native speakers and use conventional ethnographic techniques like participant-observation.
Which of the following best describes the notion that how people think and say has an impact on how they perceive?The idea that the language one speaks affects how one perceives reality is referred to as the Sapir Whorf hypothesis, sometimes known as the linguistic relativity hypothesis.
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What features developed between Platyhelminthes and Nematodesand the closest previous branch of the tree? They are related to all the other branches, how? What do they have in common with their closest relatives? What's different?
The answers include the following:
The features developed between Platyhelminthes and Nematodes and the closest previous branch of the tree is a coelom and body cavity.They are related to all the other branches through the absence of backbone.The common feature between their closest relatives is the absence of backbone and the difference is the presence of coelom.What is an Invertebrate?
Thus is referred to as the type of organism which don't have a backbone or spinal cord and examples include worms, ant etc.
Platyhelminthes and Nematodes and the closest previous branch of the tree have common feature such as the presence of a coelom which contains the digestive system which ensures that nutrient are derived from various food substances and a body cavity.
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you have a small population of beetles. one day a large rainstorm causes flooding and wipes out 87% of the population. the remaining individuals have much lower genetic variation than the original population. which of the following would explain the lack of hardy-weinberg equilibrium seen after the flood?
The evolutionary mechanism in this population is small population size due to genetic drift, although small population size is also causally tied to evolution in this population, thus the correct option is (c).
Genetic drift is the generational shift in allele frequencies in a population that results from random events. Genetic drift is actually a change brought on by "sampling error" while choosing the alleles for the following generation from the gene pool of the current generation. Despite the fact that genetic drift occurs in all groups, its effects are frequently more pronounced in small populations. Genetic drift is unlikely to cause such rapid changes in larger populations. For example, it is considerably less likely that the b allele would be lost and that the B allele would attain 100% frequency, or fixation, within such a brief amount of time if we studied a population of 1000 rabbits rather than 10.
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The complete question is:
You have a small population of beetles. One day a large rainstorm causes flooding and wipes out 87% of the population. The remaining individuals have much lower genetic variation than the original population. Which of the following would explain the lack of H-W equilibrium seen after the flood?
Select one:
a. Founder effect
b. Random mating
c. Small population size (genetic drift is the evolutionary mechanism but yes, small population size is also causally related to evolution in this population)
d. Genetic drift
e. Migration
Plant project Biology
What is phloem?
What does phloem carries?
Explain the function of sieve tubes and their association with companion cells.
What is translocation?
Explain how pressure and water potential aid translocation.
How can aphid stylets be used to measure phloem transport rates?
How can radioactively-labelled CO2 be used to measure phloem transport rates?
What are meristems?
What are apical meristems?
What is special about these regions/ why are they important?
What process causes the growth of new plant issue?
What is meant by the term ‘tropism’?
Identify 2 tropisms and state how the plant responds to them.
Name the main group of plant hormones.
What are the main functions of plant hormones?
Explain how auxin influences gene expression
What is micropropagation?
How is it done?
Why is it done?
What external factors can affect gene expression and flowering?
Explain how phytochrome triggers flowering in short and long plants.
What is pollination?
What is fertilization?
What is seed dispersal?
How can flowering be induced out of season?
What is germination?
What conditions are required for germination?
Gibberellins are synthesized at the start of germination. What is their role?
Answer:Phloem is a type of plant tissue that is responsible for the transportation of organic nutrients and other substances, such as hormones, from the leaves to the other parts of the plant, including the roots, stems, and developing organs.
Phloem carries organic nutrients such as sugars, amino acids, and other substances produced during photosynthesis and metabolism in the leaves.
Sieve tubes are elongated cells that form the main conducting tubes of the phloem. They are associated with companion cells, which are specialized cells that provide metabolic support to the sieve tubes, such as by synthesizing and transporting proteins and other molecules required for phloem transport.
Translocation is the process of transporting organic nutrients and other substances through the phloem from the source (usually the leaves) to the sink (the part of the plant that needs the nutrients).
Pressure and water potential play a crucial role in translocation. Pressure flow theory explains that the phloem sap moves from source to sink due to differences in hydrostatic pressure gradients between the two regions. This process is aided by the active transport of solutes into the sieve tubes, which results in the creation of a high concentration gradient and a decrease in water potential, thus drawing water into the phloem.
Aphid stylets can be used to measure phloem transport rates by inserting the stylets into the phloem and measuring the rate of sap flow using electrical sensors.
Radioactively-labelled CO2 can be used to measure phloem transport rates by exposing a leaf to a small amount of radioactive CO2, which is then fixed into organic compounds and transported through the phloem to other parts of the plant. The rate of radioactive CO2 uptake can be measured to determine the rate of phloem transport.
Meristems are regions of undifferentiated cells in plants that are responsible for growth and development.
Apical meristems are meristematic regions located at the tips of roots and shoots, which are responsible for primary growth, or the increase in length of the plant.
These regions are important because they are responsible for the continuous production of new cells that differentiate into specialized cells required for plant growth and development.
Cell division, or mitosis, causes the growth of new plant tissue.
Tropism refers to the directional growth of plants in response to external stimuli, such as light or gravity.
Two tropisms are phototropism, which is the growth of plants in response to light, and gravitropism, which is the growth of plants in response to gravity. In phototropism, plants grow towards a source of light, while in gravitropism, plants grow in the direction of gravity, either towards or away from it.
The main group of plant hormones are auxins, gibberellins, cytokinins, abscisic acid, and ethylene.
The main functions of plant hormones include regulating growth and development, mediating responses to environmental stimuli, and coordinating physiological processes such as seed germination, flowering, and fruit ripening.
Auxin influences gene expression by binding to specific receptors in the cytoplasm of target cells, which triggers a signal transduction cascade that activates or represses the expression of certain genes.
Micropropagation is a plant propagation technique that involves the aseptic culture of plant tissue, such as shoot tips or nodal segments, on a nutrient medium containing plant hormones, to produce genetically identical plantlets.
Micropropagation is done to produce large numbers of genetically identical plants quickly and efficiently, for purposes such as crop improvement, conservation of rare or endangered species, or the production of ornamental plants
Explanation:
the thyroid releases the hormones thyroxine (t4) and triiodothyronine (t3), which do all of the following, except
The thyroid hormones thyroxine (\(t{4}\)) and triiodothyronine (\(t{3}\)) play important roles in regulating metabolism, growth, and development.
A. increase metabolic rate
Regulating metabolism: (\(t{4}\)) and (\(t{3}\)) regulate the metabolic rate by increasing the rate at which glucose is used by cells, which results in the production of more energy.
Maintaining body temperature: (\(t{4}\)) and (\(t{3}\)) help to regulate the body temperature by increasing the rate of energy production.
Regulating growth and development: (\(t{4}\)) and (\(t{3}\)) are involved in the regulation of growth and development by controlling the synthesis of proteins and the metabolism of fats and carbohydrates.
Regulating heart rate: (\(t{4}\)) and (\(t{3}\)) can increase the heart rate, which helps to ensure that the body has sufficient oxygen and nutrients to meet its metabolic needs.
However, the thyroxine hormones do not perform the function of regulating blood pressure. Blood pressure is regulated by the renin-angiotensin-aldosterone system, the sympathetic nervous system, and other factors.
In conclusion, (\(t{4}\)) and (\(t{3}\)) play important roles in regulating metabolism, growth, and development, but they do not regulate blood pressure.
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The full question was here:
A. increase metabolic rate
B .Prohibit protein synthesis
C. Increase glucose use
D. Increase nervous system development
Which of the following is a human-related release of greenhouse gases?
O A. Wild animal respiration
OB. Volcanic eruptions
O C. Intensive agriculture
O D. Solar cycles
It’s A
Answer:
C
Explanation:
I'm pretty sure it's actually C and not A. It's asking for human-related release from greenhouse gases. Humans don't cause volcanic eruptions and aren't in control of wildlife's respirations. The solar cycles has to do with the magnetic flux that rises to the surface of the sun and lasts 11 years. Intensive agriculture increases pollution which harms the environment.
What is the first branch of the evolutionary tree
The first branch of the evolutionary tree is believed to be the separation between prokaryotes (organisms lacking a cell nucleus) and eukaryotes (organisms with a cell nucleus).
The evolutionary tree, also known as the tree of life or phylogenetic tree, represents the evolutionary relationships between all living organisms on Earth. It illustrates the diversification of life over time, showing how different species are related to one another through common ancestors.
1. The first step in understanding the first branch of the evolutionary tree is to recognize that all life on Earth can be classified into three main domains: Bacteria, Archaea, and Eukarya.
2. Among these domains, Bacteria and Archaea are considered prokaryotes, which are single-celled organisms lacking a membrane-bound nucleus. They are believed to have diverged from a common ancestor.
3. Eukarya, on the other hand, comprises organisms with eukaryotic cells, which possess a nucleus surrounded by a membrane. This domain includes all complex organisms such as plants, animals, fungi, and protists.
4. The separation between prokaryotes and eukaryotes is considered the first major branch in the evolutionary tree. It represents a fundamental divergence in cellular structure and complexity.
5. While the exact details and timing of this divergence are still the subject of scientific investigation, it is generally believed to have occurred billions of years ago, early in the history of life on Earth.
6. This initial split paved the way for the subsequent diversification of life, leading to the vast array of species and ecosystems we observe today.
7. It is important to note that the evolutionary tree is a constantly evolving representation of our understanding of the relationships between organisms. New discoveries and advances in scientific knowledge may lead to revisions and refinements of the tree over time.
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D
4) This diagram shows a food chain from a desert ecosystem in Arizona. The arrows show
how the matter eaten by organisms moves through the food chain.
western
diamondback
rattlesnake
Select each organism below that is a primary consumer in this food chain.
brittlebush
pallid-winged
grasshopper
ubmit
brittlebush
grasshopper mouse
red-tailed hawk
grasshopper
mouse
pallid-winged
grasshopper
red-talled
hawk
western diamondback
rattlesnake
Question
answere
28
Time
elapsed
PAUSE
Challeng
Stage 3 of
Get 5 corred
in a row
The primary consumers in the food chain are the organisms that eat the producers, which in this case are the brittlebushes. The primary consumers are the pallid-winged grasshoppers.
The other organisms in the food chain are secondary consumers (grasshopper mouse), tertiary consumers (red-tailed hawk), and apex predators (western diamondback rattlesnake).
Here is a diagram of the food chain with the primary consumers highlighted in green:
brittlebush (producer)
----------------------->
pallid-winged grasshopper (primary consumer)
----------------------->
grasshopper mouse (secondary consumer)
----------------------->
red-tailed hawk (tertiary consumer)
----------------------->
western diamondback rattlesnake (apex predator)
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Describe the important steps of working sewage recycling plant...???
Fruit flies can either have a brown body or a black body. The allele for a brown body (B) is dominant to the allele for a black body (b).
A brown fruit fly was crossed with a black fruit fly as shown below. What is the probability
of a resulting offspring being brown?
A. 75%
B. 50%
C. 25%
D. 100%
Answer:
Confirming, it is 100% on study island.
Explanation:
Please i need help !!!☹️
Answer: C. 9
Explanation:
Gestation refers to the time between when a baby is conceived till the baby is delivered. This is why the period of pregnancy is known as the Gestation Period.
During that time and after the fertilized egg implants itself in the uterus, the baby develops and grows until it is ready to be delivered.
The structure this occurs in is the uterus (womb) which is labelled 9 in the structure above.
Which describes how light waves can interact with wood
Light waves interact with wood by absorption and reflection because wood is opaque to visible light.
What are light waves?It is impossible to see through the wood, some substances are transparent to some light wavelengths but opaque to others.
Depending on the nature of the element a light wave can be transmitted, reflected, absorbed, refracted, polarized, diffracted, or dispersed when it comes into contact with a surface.
Therefore absorption and reflection describe light waves' interaction with wood.
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How do cold ocean currents affect climate ?
Vegetation affects the temperature of the atmosphere by changing the color of the surface of the earth, adding to sunlight reflection, altering water transpiration amounts, changing surface roughness, and __________.
A)
changing the rate at which greenhouse gases are released from Earth’s surface into the atmosphere
B)
changing the rate at which greenhouse gases are absorbed into Earth’s surface from the atmosphere
C)
changing the rate at which sunlight is absorbed and released into the atmosphere
D)
changing the rate at which sunlight is released and absorbed into Earth’s surface
Answer: A) changing the rate at which greenhouse gases are released from Earth's surface into the environment.
Explanation: Without vegetation (For example trees) the rate at which greenhouse gases, like carbon dioxide, are released from Earth's surface into the environment would skyrocket. Vegetation uses carbon dioxide in photosynthesis and converts it into oxygen, helping to absorb some of the greenhouse gases that would otherwise accumulate in our atmosphere. It essentially reduces the rate at which greenhouse gases are released into our atmosphere.
explain how capillaries are adapted for their function
The capillaries are adapted to their functions because their walls are just a cell thick making it possible for exchange to occur.
What is a capillary?A capillary is defined as the type of blood vessels that is found all over the body which is the smallest type of blood that allows the transport of blood, nutrients and oxygen to cells in organs and body systems.
The physiological structure of the capillaries helps in the adaptation of their functions because they are just a cell thick which is not so for veins and arteries of the vascular system.
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what are three functions of the biceps brachii
Answer:
1. INSERTION
2.ARTERY
3. NEREACTIONS
Drag the tiles to the correct boxes to complete the pairs.
Match each form of energy to its description.
gravitational potential
Motion energy refers to the energy related to an object's movement. When an object is in motion, it possesses kinetic energy, which is a form of motion energy.
How to explain the energyThe matching will be:
motion energy = energy related to an object's movement
chemical energy = stored energy related to positions of atoms within molecules
thermal energy = energy of motion of particles in a substance
nuclear energy = energy released when a nucleus splits or combines
gravitational potential energy = energy related to height
sound energy = energy generated by vibration of a string
Chemical energy is stored energy that is related to the positions of atoms within molecules. It is the energy that can be released or absorbed during a chemical reaction. When chemical bonds are formed or broken, energy is either released (exothermic reaction) or absorbed (endothermic reaction) in the process.
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According to Newton's first law, an object in motion
will stay in motion unless:
a. A balanced force acts on it
b. An unbalanced force acts on it
c. It stops
d. It remains at rest
Science 6th grade, pls help
Unless an unbalanced force is acting on an object, Newton's first law states that it will stay at rest or move in a straight line at a constant speed.
What state does Newton's law claim an object in motion will remain in?Newton's first law states that any object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the application of an external force. Inertia is the propensity to resist changes when things are moving.
Does an object that is moving continue to do so?According to Newton's First Law of Physics, moving objects continue to move in the same direction unless they are affected by an imbalanced force. Things moving include among others, the US dollar, rates, inflation, and oil.
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what is the difference of biology and human and social biology ???
Biology is the branch of science.
Human biology is the branch of biology that focuses on human beings and human population.
Social biology is the branch of biology that is the study of social behaviour of animal and human.
Answer:
Biology is the study of living things.
Social biology studies human and animal behaviour.
:):):):):):):):):):):):):):):):):):):):):):):)
Explanation:
Do the physical characteristics given identify characteristics of the Sun, Earth, or Moon?
unable to support life; made of gases; diameter approximately 870,000 miles
Earth
Earth and Sun
Moon
Sun
Answer:
Sun
Explanation:
14. Which of these statements about food chains are accurate?
A. Only 10% of the energy within an organism is passed on when it is eaten.
B. Large predators are common in most food chains
C. A grasshopper is an example of a secondary consumer.
D. All of the energy in a food chain originates from the sun.
Answer:
D. All of the energy in a food chain originates from the sun.
Explanation:
The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers such as plants, algae, and cyanobacteria use the energy from sunlight to make organic matter from carbon dioxide and water. This establishes the beginning of energy flow through almost all food webs.
"We use heat and additional bacteria to make a cheesefrom yoghurt. Do you think the heat can kill the bacteria? If you say Yes why we need to use bacteria? If you say No why not the bacteria can kill us when we feed it?"
Answer:heat can kill most species of bacteria. the bacteria makes cheese cheese. if no bacteria is added. the milk would just be a dried milk of sadness.
Explanation:
In a plant, fertilization occurs in the A) flower B) root C) stem D) leaf
A) Flower.
Fertilization occurs in the flowers of a plant. Inside the flower, sperm from the male reproductive structure (stamen) will meet with the female reproductive structure (pistil) to form a seed.
Answer:
a) flower
Explanation:
In a plant, fertilization occurs in the ovary of the flower. The ovary is a part of flower, so we can say that the fertilization occurs in the flower. Hence, option (a) is correct.
In one area of the rainforest, there are 5 different species of bats. Bat 1 has extra large ears and excellent hearing, bat 2 has a long snout, bat 3 has fang−like sharp teeth, bat 4 has sharp claws and bat 5 has extra large eyes. Most likely, these bats once belonged to the same species.
False. The unique attributes of each of the 5 different bats suggest that they are of different species.
What are species?The presence of distinct and unique characteristics among the five different bat species suggests that they likely belong to different species rather than being variations of a single species.
Each bat species has specific adaptations (such as extra large ears, long snout, sharp teeth, sharp claws, and extra large eyes) that are specialized for their specific ecological niche and evolutionary history.
These unique adaptations indicate that these bats have undergone different evolutionary paths and likely belong to different species rather than being variations of a single species.
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Question 17 (5 points) are the fou Cell proliferation, cell differentiation, cell-cell interactions, and crucial steps all cells in a multicellular organism must undergo. tissue balance London dispersion forces cell memory cell movement
Answer:
Cell Movement
Explanation:
The four crucial steps for the cells of a multicellular organism are cell proliferation, cell specialization and differentiation, cell-cell interactions, and cell movement. An organism’s cells must undergo these steps in order for proper cell and tissue development to occur. In a developing embryo, all these steps are occurring at once in a variety of ways in different parts of the organism.
Seeds are reproductive or not ?
Answer: Yes
Explanation: Monocots produce one cotyledon, while dicots produce two. Because seeds are reproductive structures and thus important to a species' survival, plants have evolved many mechanisms to ensure their survival. One such mechanism is seed dormancy. Dormancy comes in two forms: seed coat dormancy and embryo dormancy
Answer:Plants that reproduce by seeds. Seed plants have special structures on them where male and female cells join together through a process called fertilisation. After fertilisation, a tiny plant called an embryo is formed inside a seed.
How many seconds are in an hour?
Answer:your answer is 3600
Explanation:
Answer:
In one hour there is 3600 seconds
Explain how consumers, such as otters, obtain the materials they need for cellular respiration. Be specific! How do these materials get from the environment to the mitochondria?
Explanation:
Consumers such obtain as need otters the materials they cellular foriration environment from resp the. these materials through They obtain the process of. ingestion Otters typically obtain energy-rich food such as fish, crabs, and clams, which like molecules glucose contain proteins, and, lipids, which for important are alliration cellular resp. These in broken down are the molecules system releasing, digestive energy and small molecules that are transportedter the ot’ intos, such cells as glucose oxygen and, which are both essential for cellular respiration.
Once these the in are molecules cells, are, they mitochond to transported powerhouse of the theria, where they cell take part- energy the inproducing process of cellulariration resp.uc Gloseria enters and the mitochond is broken down in a series of chemical that reactions release energy and such as ATP molecules form, which is the ofergy currency the cell. At the same time oxygen, is used help break down to the glucose, dioxide in as resulting by carbonproducts and. ATP The produced is used by the