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Luden [163]
3 years ago
6

Help its a timed test ​

Biology
1 answer:
stiks02 [169]3 years ago
3 0

Answer:its d

Explanation:

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3. If all the producers in the above food web contain 40,000 Kcal of energy, how much
Artist 52 [7]

Answer:

The answer is only about 40

Explanation:

Whenever something is consumed, only about 10% of the energy is consumed. So when a primary consumer eats the producer, they will get about 4,000 kcal. Then the secondary consumer will get about 400. Finally, the tertiary consumer will only get about 40. Basically, just multiple the original number by 0.1 for every time it goes through consumption.

8 0
2 years ago
Which of the following events would change Earth's surface the fastest?
avanturin [10]

Answer:

B.) an earthquake

Explanation:

earthquake, volcanoes, tsunamis and landslides are naturally occurring events that can rapidly change earth's surface

4 0
2 years ago
Read 2 more answers
commensalism is when one organism ________ and the other is ___________. a.benefits; harmed b. benefits; unaffected c. benefits;
lara [203]
Commensalism is when one organism B. Benefits and the other is unaffected.
6 0
3 years ago
Do you think earth has a limit to the number of humans it can sustain
AlekseyPX

Answer:

Yes earth is only so big

Explanation:

SUPOSSEBLY IN 2035 we will have a small civilization on mars. Cause in 1 million years or less humans will be over populated on earth and forced to make room underground or higher in the skies like outer space!

5 0
2 years ago
Plss answer all! Help!
vladimir1956 [14]

Answer:

there are two types of cell one eukaryotic cell that have true nucleus (genetic material enclosed in membrane) and membrane bounded organelles and other is prokaryotic cell that donot have have true nucleus (genetic material dispersed in cytoplasm) and membrane bounded organelles.

similarities between PC and EC is that both contains cell membrane, ribosomes (not a membrane bounded organelle) .

examples of PC are bacteria , paramecium,fungi etc

examples of EC are plant and animal cells

there are two names for cell membrane i.e plasmalemma, cell surface membrane,

selectively permeable or semipermeable means cell only allows those material to pass through its cell membrane which it needs.this cell'ability is important because to protection against the poisonous substance and to maintain cell needs .

3 0
2 years ago
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