Biotic factors of an ecosystem are all the living organisms that affect other organisms in an ecosystem and include animals, plants, microorganisms, dead organisms, and even animal waste. Example of biotic factors include: Grass as producers (autotrophs).

8 0

3 years ago

What causes this periodic change in ocean level

Tom [10]

Answer:Sea levels change for three main reasons: 1) As water warms and cools it expands and contracts; 2) The amount of water contained as ice on land surfaces changes over time; 3) The Earth's surface is dynamic and can move vertically.

Explanation:The first two reasons are directly caused by global temperature changes.

5 0

3 years ago

Which statements are true of all plants? Check all that apply. All plants are vascular. All plants are multicellular. All plants

GarryVolchara [31]

<u>Correct option/s </u>:

All plants are multicellular.

All plants are eukaryotic.

All plants are autotrophic.

<u>Explanation</u>:

Not all plants are vascular, for example mosses. They don't have specialized system for transport of water and solutes. Therefore, Option 1 is false.

Only bacteria, protista and yeast are unicellular. Rest all the organisms are multicellular. Thus option 2 is true.

Only bacteria are prokaryotic, rest all organisms are eukaryotic, including all the plants. Option 3 is true.

Plants are the only organisms which are autotrophic. Although apart from this mode of nutrition, plants can be parasitic or carnivorous as well. But primarily they all are autotrophic. Option 4 is true

Not all plants need sunlight, some get energy from the chemical substances from their surroundings. Option 5 is False.

Plants reproduce by sexual as well as asexual means. Not all plants reproduce sexually. Option 6 is false.

4 0

3 years ago

Read 2 more answers