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3 years ago

Primary producers are organisms that?

Biology

2 answers:

cestrela7 [59]3 years ago

7 0

that make their own food from sunlight .

Anastasy [175]3 years ago

6 0

They are organisms in an ecosystem that produce biomass from inorganic compounds (autotrophs). These are photosynthetically active organisms.

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In those parts of equatorial Africa where the malaria parasite is most common, the sickle-cell allele constitutes 20% of the β h

AnnyKZ [126]

Answer:

gene flow

Explanation:

Gene flow, in simple terms, is a transfer of gene from one population to another. Also called as migration, where there is movement of individuals, and the genetic material they carry from one population to another. It also involves successful breeding of these individuals in their new locations. When people with sickle cell anemia were brought into the US, transfer of the gene responsible for sickle cell disease changed the frequency of the sickle cell allele in overall US population.

3 0

3 years ago

Read 2 more answers

Three species of lizard, labeled A, B, and C, are being studied using molecular analysis by two research colleagues in different

Andreyy89

Answer:

The most appropriate answer would be option B.

The flaw in their reasoning is that they compared different molecules in a different set of organisms.

For example, they compared the DNA of lizard A and B whereas they compared the RNA of lizard B and C.

In addition, the mutation rates of different molecules (DNA and RNA) are different and thus, comparison of DNA in one set of organism and comparison of RNA in another set cannot be used as the basis for the conclusion.

7 0

3 years ago

Read 2 more answers

Question 2

____ [38]

Answer:

Jacobs argument is justifiable because the chloroplast and mitochondria both convert the potential energy from organic compounds into a suitable form for immediate use by the cell.

Explanation:

I took this on illuminate

7 0

3 years ago

The cells that form from the first few divisions of a fertilized egg cell can

bogdanovich [222]

Answer:

The correct answer is D

Explanation:

8 0

3 years ago

237 grams (g) is equal to kilograms (kg).

Rasek [7]

Explanation:

Hey there!!

We have,

1000gm = 1kg

$237gm = \frac{1}{1000} \times 237$

= 0.237 kg

Hope it helps...

7 0

3 years ago