Question

What are three challenges of life? What challenges of life can you see these organisms dealing with?

Answer 1

Hey

Answer 2

1) Find and digest food

2) Find a mate and reproduce

3) Avoid being eaten while you are doing number 1 and number 2

4) Maintain a balance between the fluids in the body and the salts dissolved in them (osmotically stable environment)

5) Circulate nutrients from one part of the body to the other

6) Remove waste products generated by metabolism (especially nitrogen compounds)

Answer 3

Multicellularity introduces a new element into the natural order of things. The snake has entered the bacterial Garden of Eden. We can no longer live forever. But in exchange for leaving immortality behind, a vast array of evolutionary pathways opens up, different ways for multicellular organisms to live, in an ever-increasing number of different environments. Each of these new environments poses a different set of challenges, and only those organisms that can adapt to these changing conditions will survive to carry on the species. And all of the amazing diversity we see in nature, all of the millions of different ways to be a living thing, represent the many ways in which organisms have solved those basic environmental challenges.

We are accustomed from birth to look at plants and animals as very different sorts of beings, that somehow animals are a different order of creation from plants. But if we look under the surface, if we think about what plants and animals really are, in the most basic and fundamental sense, we might find that we are more alike than we think. All multicellular organisms, whatever their environments, share a common set of evolutionary problems. And the differences we see between them are a result of the different evolutionary strategies they have used to solve those problems.

Answer 4

thanks