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IgorC [24]
3 years ago
12

Which best explains why viruses do not have special structures or enzymes that allow them to make their own food? Viruses can us

e energy of living cells that they infect. Viruses can replicate inside a host that they infect. Viruses can cause contagious illnesses in host cells. Viruses integrate their RNA or DNA into infected cells.
Biology
1 answer:
padilas [110]3 years ago
6 0

Answer:

Viruses can use energy of living cells that they infect.

Explanation:

Hope it helps.

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Define the following term: <br> First order consumer:
sergey [27]

Answer:

First order consumer: the first step in the food chain; they eat the producers

Explanation:

These organisms are usually herbivores. They eat the producers (plants).

8 0
3 years ago
Sea Anemones, algae and seaweed can be found at what part of intertidal zone?
Basile [38]

Answer:

Middle Intertidal

Explanation:

Middle Tide Zone: Also called the Lower Mid-littoral Zone. This turbulent area is covered and uncovered twice a day with salt water from the tides. Organisms in this area include anemones, barnacles, chitons, crabs, green algae, isopods, limpets, mussels, sea lettuce, sea palms, sea stars, snails, sponges, and whelks.

6 0
3 years ago
I will give brainliest!!!! Which organelle, if punctured, would leak digestive enzymes into the cell's cytoplasm? Choose 1 answe
andriy [413]

Answer:

Choice D : Lysosome

Explanation:

In the case of damaged or unhealthy cells, lysosomes can be triggered to open up and release their digestive enzymes into the cytoplasm of the cell, killing the cell.

8 0
3 years ago
Why do biologists measure the number of trophic levels in an ecosystem?
slega [8]

Answer:

Biologists measure the number of trophic levels in an ecosystem so as to check its stability and health.

Explanation:

Trophic levels are the feeding position in a food chain such as primary producers, consumers, etc. They are positions that an organisms occupies in a food chain (series of steps in which organisms transfer energy by eating or being eaten);- what it eats and what eats it. 

Theoretically there is no any limit to the number of trophic levels in a food chain or number of organisms that live on each level.

3 0
3 years ago
What characteristic do the nucleus, the mitochondria, and the vacuoles of animal cells have in common?
Helen [10]
The correct answer is (c,) They are all enclosed by membranes made of phospholipids. The nucleus, the mitochondria, and the vacuoles of animal all are enclosed by membranes that are made of phospholipids. That is what they all have in common.
3 0
3 years ago
Read 2 more answers
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