Answers
Answer:
4.6 billion years ago
Explanation:
Answer:
Earth formed around 4.54 billion years ago, approximately one-third the age of the universe, by accretion from the solar nebula.
Explanation:
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Related Questions
How do nutrients absorbed by the small intestine travel to the individual cells of the human body
Answers
Answer:
hepatic portal vein
Explanation:
med.libretexts.org/Courses/American_Public_University/APUS:_An_Introdu
that line the walls of the small intestine absorb nutrients into capillaries of the circulatory system and lacteals of the lymphatic system. Villi contain capillary beds, as well as lymphatic vessels called lacteals. Fatty acids absorbed from broken-down chyme pass into the lacteals.
please give brainliest
A
В
с
Which container has the least concentration of solutes?
O A
OB
О с
OD
Answers
Answer:
c
Explanation:
its c i took the test
which malfunctioning organelle within the cell can cause this condition
Answers
Answer:
mitochondria—that power his cells. These abnormal mitochondria cause extreme fatigue and weakness in his legs, trouble breathing and a host of other problems.
Explanation:
I WILL GIVE YOU BRAINLIST IF YOU DO IT FAST!
A gorge has a river flowing through it. During most of the year the temperature at the gorge goes above and below freezing every day. What most likely will cause the surface of the gorge to change over time?
Weathering due to frost wedging
Weathering due to abrasion
Deposition of rock particles
Deposition of water
Answers
Answer:
Deposition of rock particles
Explanation:
2. What type of equipment would a scientist use to capture specimens from the ocean?
O trawlers
sonar
O submersibles
O satellites
Answers
Answer: C! :)
Explanation:
I just took the test :) pls give brainliest!
Which organisms can reproduce using the process of fragmentation
Answers
Fragmentation is a form of asexual reproduction and is seen in annelids, fungi, cyanobacteria, sponges, and flatworms.
In Fragmentation, an organism divides itself into a number of fragments. It occurs when an organism completely breaks down independently irrespective of the other parts. Each one of these fragments matures into fully grown adults that are clones of the original organism.
Asexual reproduction usually involves the participation of a single parent alone can produce new offspring. The newly produced individual is genetically identical to one another and its parent. Both multicellular and unicellular organisms divide by fragmentation which is asexual reproduction.
Fragmentation is the most common method of reproduction in lower invertebrates. It is seen in many organisms including filamentous cyanobacteria, algae, lichens, molds, many plants, and animals such as flatworms, annelid worms, sponges, and sea stars.
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The organisms that can reproduce by fragmentation are Option d Sponges and Sea anemones.
Fragmentation is a form of asexual reproduction in which an organism breaks into two or more fragments, and each fragment develops into a new individual. Both sponges and sea anemones are examples of organisms that exhibit this mode of reproduction.
Sponges are simple multicellular animals that lack true tissues and organs. They possess a porous body structure, and when a sponge is fragmented, each fragment has the potential to develop into a new sponge through regeneration. These fragments contain specialized cells called archaeocytes that can differentiate into various cell types required for the formation of a new sponge.
Sea anemones, on the other hand, are marine animals belonging to the phylum Cnidaria. They have a cylindrical body with tentacles surrounding their mouth. When a sea anemone is fragmented, each piece can regenerate into a complete individual. The process involves the differentiation of cells within the fragments, leading to the development of new tentacles, body parts, and eventually a mature sea anemone.
Both sponges and sea anemones have remarkable regenerative abilities, allowing them to reproduce through fragmentation. This form of asexual reproduction enables them to colonize new areas, expand their population, and adapt to changing environmental conditions. Therefore the correct option is D
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The Question was Incomplete, Find the full content below :
The organisms which can reproduce by fragmentation are:
(a) Corals and Sponges
(b) Corals and Spirogyra
(c) Sea anemone and Spirogyra
(d) Sponges and Sea anemones.
Do you think there's merit to telling children to get their calcium because it builds strong bones explain why
Answers
Answer:
yes
Explanation:
because Calcium is an essential mineral for the body, helps the body stay healthy, helps children achieve good height and stature when they grow up, and helps us avoid bone and joint diseases, especially when we are getting older
How do chemoautotrophs make energy?
A. They covert carbon dioxide, water, and sunlight into carbohydrates.
B.They convert carbon dioxide, water, and organic molecules to carbohydrates.
C. They convert carbon dioxide, sunlight, and organic molecules to carbohydrates.
D.They convert carbon dioxide, water, and inorganic compounds into carbohydrates.
Answers
Explanation:
Carbon dioxide water and energy are the typical products of the breakdown of which type of molecule
SOMEONE HELP ME PLEASE I GIVE YOU 29 POINTS
what are the different types of satellites?
Answers
Answer:
There are nine different types of satellites i.e. Communications Satellite, Remote Sensing Satellite, Navigation Satellite, LEO, MEO, HEO, GPS, GEOs, Drone Satellite, Ground Satellite, Polar Satellite.
Explanation:
i looked it up im so sorry if its wrong
what is the function of brain hxhtojuqat
Answers
Answer: buuu
Explanation:
1 pts
Which of these materials is opaque?
Opaque, adj.: not transparent or translucent; impenetrable to light; not
allowing light to pass through.
air
aluminum
fog
water
Answers
"People identify the trait they want, then only allow animals with that trait to breed
with one another.” Which of the following BEST matches the statement above?
A: industrial selection
B: Natural selection
C: Artificial selection
Answers
Answer:
I think it's A because you're deciding what you want to match or breed together
ASAP PLEASEEE HELP ME
Remember monomers and polymers? DNA is what type of polymer?
A.) Protein
B.) Nucleic Acid
C.) Lipid
D.) Carbohydrate
Answers
Answer:
polynucleotide "carbon" sugar so I would say B or D
Explanation:
The fish 'Exocoetus' has well developed fins for gliding in the water. What is the name
of these fins that are used to glide over water?
Answers
Answer:
Pectoral fins
weigh the sugar and water before they are combined after they have been combined weigh the soulution. will the weight change
Answers
The weight of the sugar and water solution will not change because a physical change occured.
What is a physical change?A physical change in chemistry refers to the change affecting the form of a chemical substance, but not its chemical composition.
Unlike a chemical change, a physical change does not alter the chemical bonds or composition of the substances involved.
According to this question, sugar and water are weighed separately before combining them. After they are combined, the weight will equate to the sum of both substances because no chemical reaction occured.
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If the slope of a distance-time graph is steep, then the speed of the object must be
Answers
Which feature of model 1 best illustrates how biological information is coded in a DNA molecule?
The 5′ and 3′ labels at the ends of each strand
The 5′ and 3′ labels at the ends of each strand
A
The labeling of the hydrogen bonds between base pairs
The labeling of the hydrogen bonds between base pairs
B
The lines connecting sugars and phosphate groups that represent covalent bonds
The lines connecting sugars and phosphate groups that represent covalent bonds
C
The linear sequence of the base pairs
Answers
Answer:
The correct answer is - option C. The linear sequence of the base pairs .
Explanation:
The double helix structure is presented in the model which exhibits the two major and important characteristic of the DNA molecule. The first major property of the double helix model shows that each strand of the molecule acts as a template for the creation of the complimentary strand.
The second major property is that the genetic information can be be store in the linear sequence of the nucleotide or the base pair along with the backbone of the molecule.
Thus, the correct answer is - option C. The linear sequence of the base pairs .
Define the term akaryotes and give one example
Answers
Answer:
These are cells without nucleus or nuclei.
Example: Red blood cells.
A basketball player helps maintain stable body temperature during the game by sweating. The sweat helps cool his body by evaporating. What is this an example of?
a, mitosis
b. homeostasis
c. respiration
d. digestion
Answers
When recording euthanasia be sure to note the date, animal identification information, confirmed or tentative diagnosis, euthanasia method and
Answers
When recording euthanasia be sure to note the date, animal identification information, confirmed or tentative diagnosis, euthanasia method and final disposition.
The euthanasia record is an important document for veterinary practices and should be maintained according to state and federal regulations and the policies and procedures of your practice.
When recording euthanasia, be sure to note the date, animal identification information, confirmed or tentative diagnosis, euthanasia method, and final disposition.
Another important thing to note is that euthanasia should be considered only when alternative management options are not available or have been exhausted, when quality of life is poor, and when euthanasia is in the best interest of the animal.
All reasonable steps should be taken to minimize pain and distress during the process.
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BIOLOGY HELP PLEASE 30 POINTS
SEE IMAGE BELOW
Answers
Answer:
please explain what you want to know about this
Explanation:
What are some benefits from high biodiversity in natural habitats?
Select all that apply.
greater variety of medicines
O greater productivity of farmland
greater ability to recover after natural disasters
greater variety of food sources
Answers
Greater ability to recover after natural disasters and greater variety of food sources. Thus, the correct option is C.
What is natural disaster?A natural event such as a flood, earthquake, or hurricane that causes great damage or loss of life. "The number of people suffering food crises as a result of natural disasters has tripled in the last thirty years.
Biodiversity provides functioning ecosystems that supply oxygen, clean air and water, pollination of plants, pest control, wastewater treatment and many ecosystem services.
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Select the best answer for the question.
16. Identify the appropriate mixed number for the picture shown.
O A. 1 1/4
O B.1/4
O C.4/5
O D.5/4
Answers
The mixed number for the given picture is 1 1/4, the correct option is A.
What are mixed numbers?A mixed number is one that manages to combine a whole number and an appropriate fraction.
To transform mixed numbers to improper fractions, follow these three steps: Multiply the numerator by the whole number.
Step 1 is to the numerator, add the answer from. Step 2 is adding the numerator to the product got from step 1.Step 3 is writing the improper fraction with the sum got from step 2 in the numerator/denominator form.In the given picture, there is one box completely filled and one forth portion in second block is filled, so it is representing mixed number i.e., 1 1/4.
Thus, the correct option is A.
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Use your understanding of natural selection to explain how the mutations that occurred on Mc1r lead to the evolution of the rock pocket mouse?
Answers
Explanation:
The evolution of the rock pocket mouse is a great example of how natural selection can lead to the adaptation of a species to its environment. The mutations that occurred on the Mc1r gene allowed some individuals of the population to have a different fur coloration than the rest of the population. This new fur coloration provided a selective advantage to the mice living in the darker volcanic rock environment.
The darker fur of the rock pocket mouse provided camouflage against predators, allowing them to blend in with the dark rocks and avoid being seen. This made them less likely to be preyed upon by predators such as owls and snakes, which hunt by sight. As a result, the mice with the darker fur were more likely to survive and pass on their genes to the next generation.
Over time, as the population of the rock pocket mouse continued to be exposed to predation, the proportion of individuals with the darker fur coloration increased. This is because the individuals with the darker fur coloration were more likely to survive and reproduce, passing on their advantageous traits to their offspring. Eventually, the population became dominated by individuals with the darker fur coloration, and the rock pocket mouse became a distinct species.
This process, in which mutations that provide a selective advantage become more common in a population over time, is known as natural selection. In the case of the rock pocket mouse, the mutations that occurred on the Mc1r gene allowed the mice to adapt to their environment and avoid predation, ultimately leading to the evolution of a new species.
Which sentence describes a species whose numbers are increasing?
A. The species is moved from the endangered list to the extinct list.
B. The species is placed on the endangered species list.
C. The species is moved from the endangered list to the threatened
list.
O D. The species is moved from the threatened list to the endangered
list.
Answers
What is the genotype and phenotype of the
offspring of 2 heterozygous brown eye parents
where brown is the dominant eye color and hazel
is the recessive eye color?
Answers
Answer:
Genotypes:
BB, Bb, bb
Phenotypes:
Brown eyes, hazel eyes
Explanation:
Punnet squares are in the image attached
Why is the myelin sheath so important for sending signals throughout our body
Answers
Answer:
Myelin can greatly increase the speed of electrical impulses in neurons because it insulates the axon and assembles voltage-gated sodium channel clusters at discrete nodes along its length. Myelin damage causes several neurological diseases, such as multiple sclerosis.
Explanation:
this is the correct answer happy
On each blank, write the interaction exhibited by the organisms (mutualism, commensalism, predation, parasitism, or competition). ___________ 1. Tick and a dog ___________ 2. Ants and aphids ___________ 3. Tapeworm and a dog ___________ 4. Tilapias in a fishpond ___________ 5. Frog and lizard
Answers
1. Tick and a dog: parasitism
2. Ants and aphids: mutualism
3. Tapeworm and a dog: parasitism
4. Tilapians in a fishpond: competition
5. Frog and lizard: competition
These ecological relationships benefit or affect in different ways the organisms of each part. For example, in mutualisms such as that of ants and aphids, while ants protect aphids from predators, aphids give ants some needed nutrients.
On the other hand, in the tick-dog interaction, dogs result affected because of the tick action of feeding upon their blood.
(HELP FAST) A slanting, horizontal line is shown. On the extreme left, there is a label that says Common Ancestor. Along the slanting, horizontal line there are five dots labeled from left to right as: 1, 2, 3, 4, and 5. There is one vertical line between each of the consecutive five dots. The lines are labeled from left to right as Perch, Frog, Pigeon, Rats, and Human. A text box below the branching tree diagram is labeled Derived Shared Characteristics. In the box it says from left to right Terrestrial during all stages, Jaws, Walking on two legs, Mammary glands and hair, and Four limbs.
Look at the possible derived shared characteristics, shown in the text box. Think about where these should be placed along the branching tree diagram. Where in the branching tree would you most likely write "lives on land during all life stages"? Explain your answer.
Answers
"The derived shared characteristic 'Terrestrial during all stages' should be placed at the base of the tree diagram."
SupThe characteristic "Terrestrial during all stages" is a shared characteristic among all five species being compared in the branching tree diagram. This means that it is a characteristic that all of these species have in common, and therefore it is likely that it was present in their common ancestor.
Since the base of the tree represents the common ancestor of the species being compared, it makes sense to place this characteristic at the base of the tree. This also helps to show that this characteristic is a defining trait of the group of species being compared and that it has been present in their lineage since their common ancestor.
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D,k❤️hi stendent ok and what is 12x12
Answers
Answer: 144
Explanation: Do I really need one?
Answer:
144
Explanation: