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vova2212 [387]
3 years ago
12

7. All the recolonizing species are autotrophs. How do they get their energy?

Biology
1 answer:
Tresset [83]3 years ago
8 0

7. The correct answer is photosynthesis.

Autotrophs are organisms which produce food for themselves-from simple to complex molecules. In the case of photosynthesis, producers (plants or some algae) use the light energy to produce complex organic compounds (carbohydrates, fats, and proteins).

8. The correct answer is primary consumers.

Since the pioneer species are usually autotrophs because there is no other source of energy except light energy in the early stages of succession (after the eruption). Most likely, the primary consumer will appear next because they feed upon producers.

9. The correct answer is: they are different populations of fish.

Those two different kinds of fish have unique adaptations that enable them to survive and live in distinct environments. It is most likely that molecular changes underlie adaptation and speciation of those fishes.


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Which is a tough and flexible layer that surrounds plant cells, as well as some algal and bacterial cells?
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This layer is called the cell wall.

The cell wall is located outside the cell membrane and provides the cells with structural support and protection.  It gives cells rigidity and strength, offering protection against mechanical stress.

In most cells, it is flexible, meaning that it will bend rather than hold a fixed shape, but has a lot of tensile strength which is necessary to be able to withstand internal osmotic pressure.

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DINOSAUR DICHOTOMOUS KEY<br> Pls identify the dinosaurs below
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What are the biggest advantages of natural gas as a fuel source?
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learn more about Natural gas here: brainly.com/question/4677279

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2 years ago
Give two similarities and two differences between gymnosperms and angiosperms.
kakasveta [241]

<span>Similarities</span> between Gymnospermes and Angiospermes:


<span>·         </span>Having seed-Gymnospermes and Angiospermes are types of plants bear seeds. They belong to a single class known as Spermatophyta. Spermatophyta or seed plants are those <span>plants that produce seeds.</span>

<span>·         </span>Diferentiation- The sporophyte (diploid multicellular stage in the life cycle of a plant) of both,<span> Gymnospermes and Angiospermes,</span> is differentiated into root, stem, and leaves.


Differences between Gymnospermes and Angiospermes:

 

<span>·         </span>Seed-Although both have seeds, differences between them are huge. Gymnospermes have bare, non-encased seeds. The term "gymnosperm"  in Greek means "naked seeds". On the other hand, seeds of Angiospermes are enclosed within an ovary, usually in a fruit.

<span>·         </span>Pollination- In Gymnospermes, the pollination is by wind, unlike most Angiosperms, who use insects, mammals or birds.  Gymnosperm flowers are often difficult to spot because they are not out to attract flying pollinators.

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3 years ago
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