Why is the physical environment important to living things?

Biology

2 answers:

tekilochka [14]1 year ago

5 0

Answer:

the environment provides stimuli, notably in the form of light or gravity, which are perceived by plants and animals and provide frames of reference both in time and in space.

Explanation:

Alex Ar [27]1 year ago

4 0

Answer:

Environment has an important role in living and the life on earth. There are many different species that all depend on the earth for things such as water and food, etc.

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Mass extinctions have occurred five times in Earth's history. The Permian and Cretaceous extinctions removed a large percentage

d1i1m1o1n [39]

Answer:

A. Species that remained after the extinction were able to radiate, new adaptations arose, and these adaptations produced the diversity seen today.

Explanation:

When species went extinct they also left niches that could be occupied by "new" species; new places to live, places to be filled in the food web and different relationships to be formed. The wide availability of resources made organisms to radiate leading to a "new" diversity of shapes, sizes, and lifestyles.

B. Species that have gone extinct were able to re-evolve from the ancestors that survived the extinction. If you are extinct you are gone forever.

C. Species that remained after the extinction were unable to speciate. Therefore, the number of species on Earth today is lower than the number of species present just before either extinction. The fossil record proves that species have changed over time and the diversity has changed over the history of Earth.

D. Species that remained after the extinction represented all of the lineages that were present before the extinction event. Therefore, extinction did not change the diversity of lineages. Again, the fossil record is evidence that lineages have changed over the history of the Earth.

8 0

3 years ago

Which of the following molecules can cross the lipid bilayer of a membrane directly, without a transport protein or other mechan

Olin [163]

Answer:

water, oxygen, carbon dioxide, lipids

Explanation:

7 0

2 years ago

specific macrophage populations promote both cardiac scar deposition and subsequent resolution in adult zebrafish

vova2212 [387]

Specific macrophage populations help by promoting both cardiac scar deposition and subsequent resolution in adult zebrafish. It is a correct statement.

<h3>What is the effect of macrophages on zebrafish?</h3>

There is an inflammatory response to tissue injury. It is an important part of the process of repair. Scar tissue deposition is a direct downstream consequence of this kind of response in several tissues including the heart tissue.

Adult zebrafish do not only have the ability to regenerate lost cardiomyocytes. They can also remodel and resolve a scar which is extracellular, in tissues like the heart. This resolution of the scar is a poorly understood process.

Therefore, specific macrophage populations help by promoting both cardiac scar deposition and subsequent resolution in adult zebrafish.