Biology, 17.06.2020 21:57 Leigh8655

3. Which characteristic applies to all three domains and viruses?
They are composed of cells.
They have genetic material.
They are living things.
They have organelles.
ERGENT I NEED HELP

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Answer from: datzmypupppup

They have genetic material.

Explanation:

All three domains and viruses have genetic material. They have to, otherwise they couldn't reproduce, whether sexual or asexual. In viruses, it can be RNA or DNA; obviously in eukarya it tends to be DNA, remembering that humans are eukaryotes; and in the other two domains a similar pattern is followed.

Why not the other options?

They are composed of cells

Viruses technically don't have "cells," and even to say cells plural can be a misnomer for some of the more simple forms of life that are unicellular.

They are living things.

All three domains are alive (bacteria, archaea, eukarya) but viruses are technically not considered to be alive.

They have organelles.

Eukarya and prokarya technically both have organelles (think of prokaryotic ribosomes), but not all groups that you mentioned have organelles. Remember that organelles ("little organs") are specific groups of cells performing a function, and they usually have names.

Answer from: Quest

answer: decrease

a limiting factor is the one which decrease the abundance, distribution and causes extinction of the population of species in a ecosystem. here, predators including hawks, owls and snakes are the limiting factor for the population of mexican free tailed bat. although bats are nocturnal animals as they forge for food at night these predators also may remain active during night which can decrease the population of the mexican free-tailed bats. also, these bats eat only one type of insects that are moths. the food can also be a limiting factor as all 400 members are dependent upon same type of food needs that are moths. the decrease in the moth population can cause decrease in population size of the mexican free-tailed bats.

therefore, the scenarios will most likely to decrease the population size of the mexican free-tailed bats.

Answer from: Quest

It would be the equator

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3. Which characteristic applies to all three domains and viruses?
They are composed of cells....

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