A heterotroph is an organism that

1 answer:

meriva3 years ago

5 0

Heterotrophs are organisms that depend on other organisms for food. For example, a bird would be a heterotroph. A bird eats other organisms like worms and beetles. A plant would be an example of an autotroph, which is an organism that makes it’s own food.
The correct answer would be D. gets food from outside itself.

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Which are factors of rock types that affect the rate of weathering? Select three options

vagabundo [1.1K]

Answer: Incomplete

"Check all that apply. porosity, moisture, temperature, mineral, softness, or ease of dissolving"

From the options, the three answers are mineral composition, ease of dissolving and p

Explanation:

Weathering is the phenomenon in which surface of rocks are broken down and leaches or washed away.

The factors that affect the rock type and rate of weathering of said rock include:

Composition: this translates to the mineral composition in the rock and how susceptible to chemical weathering reaction
Surface area and porosity: Surface porosity determines how easily the rock can be leached by wind or rain.
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Answer:

B) oaks and other sexually reproducing, extant (currently living) trees

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The biological species concept defines the species on the basis of their reproductive isolation. It states that when individuals are able to interbreed to produce fertile and viable progeny, they belong to the same species. The members of different biological species cannot interbreed. If they interbreed, either pre-zygotic or post-zygotic isolation mechanisms do not allow the production of fertile progeny.

Therefore, the biological species concept can be applied to the organisms that are able to reproduce sexually. The asexually reproducing organisms would not exhibit any reproductive isolation which is a key criterion to group organisms under different species. Among the given examples, biological species concept can be applied to the sexually reproducing extant trees such as oak.

Since we cannot deduce the reproductive isolation in sexually reproducing extinct species, the concept is not useful for dinosaurs which are extinct now.

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Answer:

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It is very close between 1990 and 2000, but from what I can see, 2000 had the least precipitation.

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