Which of following organisms is often a pioneer species?

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Answer 1
Answer: Answer - Lichen is a few organisms.

Reasoning - In Primary succession they would latch or attach onto a boulder rock or a rock to break down its particle and turn it into soil! P.S they came from Cyanobacteria and do photosynthesis:)

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Question from Campbell Biology Chapter 23:4) Which statement about the beak size of finches on the island of Daphne Major during prolonged drought is true?
A) Each bird evolved a deeper, stronger beak as the drought persisted.
B) Each bird's survival was strongly influenced by the depth and strength of its beak as the drought persisted.
C) Each bird that survived the drought produced only offspring with deeper, stronger beaks than seen in the previous generation.
D) The frequency of the strong-beak alleles increased in each bird as the drought persisted.

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D) The frequency of the strong-beak alleles increased in each bird as the drought persisted.

Which of the following is an example of an abiotic factor?a. A wind factor
b. A duck
c. A human
d. A bacterium

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A. A wind factor because its not living

Which molecule separates the conteins inside of the cell from the contents outside of the cell

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Answer:

Thanks

Explanation:

skannalakanslanwlKsoqnw

What system includes oxygen, nitrogen, and ozone? a. geosphere b. hydrosphere c. atmosphere d. biosphere

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Atmosphere is the system that includes oxygen, nitrogen, and ozone. The correct answer is C. All of these elements can be found in the air, which is a part of the atmosphere, which is why C is the correct answer. They are not found in the soil (geosphere), nor water (hydrosphere), not the living world (biosphere).Hope this helps. Let me know if you need additional help!

What can she do to lower her chance of having heart disease

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Answer:

Lower her sodium intake.

Explanation:

Answer:

sodium

Explanation:

Identify one way the immune system fights pathogens

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The T-cells and B-cells. T-cells come from the Thymus gland while B-cells come from the bone marrow. T cells are responsible for cell-mediated immunity while B-cells are based on humoral immunity. Both are known as lymphocytes.