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never [62]
3 years ago
8

Why are photosynthetic organisms considered to be the first level of the food pyramid?

Biology
2 answers:
natulia [17]3 years ago
8 0
They are the smallest organisms
Papessa [141]3 years ago
4 0
So many are found on the ground cumin bvk and nick who is a man who has a son
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Please Help I Don't Understand
Keith_Richards [23]

Answer:

In science, this is false. Powers of ten are the references to either scientific notations or measurements when comparing atoms in chemistry.

7 0
2 years ago
Which statements correctly describe mutations in gametes and mutations in somatic cells?
ASHA 777 [7]

A mutation is a rare, accidental or induced modification of genetic information (DNA or RNA sequence) in the genome.


The consequences of a mutation vary according to the part of the genome affected. A mutation is said to be hereditary if the mutated genetic sequence is passed on to the next generation.

In multicellular animals, germline mutations can be transmitted to offspring, whereas somatic mutations do.


Somatic mutations do not affect cells intended for reproduction, so they are never hereditary:

* Post-zygotic mutations are the mutations that appear in the egg after fertilization. They are rarer and are expressed as mosaic in the individual concerned (the mutation will be present only in the daughter cells originating from the mutated embryonic cell).

* Mutations can appear throughout life on the DNA of any cell; they are then transmitted to the line of the daughter cells. These can, in some cases, become tumor cells and then form cancer.

7 0
3 years ago
PLEASE HELP
ANEK [815]

Answer:

Tubules?

Explanation

The trachea, spiracle, and air sac are part of their respiratory system, Howeber, the tubules are what take away the carbon dioxide from their system. Im not sure if they produce the carbon dioixde. But they are a part of what removes the carbon-dioxide from their body.

8 0
2 years ago
Which property most determines water’s vertical position in the ocean?
Liula [17]
I believe the answer is Density have a very nice day
3 0
3 years ago
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Which best describes the purpose of a controlled experiment?
leva [86]
I think the correct answer from the choices listed above is option C. The purpose of a controlled experiment is to  examine whether one variable causes a change in another. A<span>n independent variable is the only factor that is allowed to be adjusted, with the dependent variable as the factor that the independent variable will affect.</span>
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3 years ago
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