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Nookie1986 [14]
3 years ago
12

A sedimentary rock formed from once-living things is _____.

Biology
1 answer:
velikii [3]3 years ago
8 0
My answer would be B.organic

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A protozoan that can conduct photosynthesis is the _____.
lilavasa [31]

The answer is the Amoeba.

The Amoeba is the protozoan that can conduct photosynthesis. They are often called amoeboid. Amoeba is a type of cell or organism which can alter its shapes. They are found in every major lineage f eukaryotic organisms. Amoeboid cells occurs in protozoa.

3 0
3 years ago
Read 2 more answers
Place the following hominins in order from SMALLEST to LARGEST cranial capacity: Homo erectus, Early Homo, Homo heidelbergensis,
Kryger [21]

Answer:

The correct answer is option b.

Explanation:

One of the species of early Homo known as Homo habilis exhibits the cranial capacity of 752 cubic centimeters. Homo erectus possesses the cranial capacity of approximately 900 cubic centimeters. Homo floresiensis exhibits the cranial capacity of 417 cubic centimeters, while Homo heidelbergenesis exhibits the cranial capacity of 1200 cubic centimeters. Therefore, after aligning these hominins on the basis of the smallest to largest cranial capacity, the correct answer will be option b.

6 0
4 years ago
Males have hemophilia when they are hemizy-gous for a nonfunctional recessive mutant allele of the X-Iinked gene for clotting fa
ruslelena [56]

Answer:

a. No, it is not possible.

A heterozygous female carries one copy of functional gene which is enough for the production of clotting factor. Hemophilia does not show continuous variation or polygenic inheritance and thus, its level does not depend on the number of normal alleles.

It that was the case, then all males would show hemophilia in some parts of the body as they only carry one X chromosome and thus, only one functional gene.

Thus, heterozygotes are only the carriers of the disease, they do not show any symptom of the disease.

b. In perspective of homozygosity or heterozygosity, the rate of blood clotting should be the same as both of them have functional gene. As mentioned above, it does not show continuous variation so, it will not show any increased or decreased rate of clotting in homozygotes or heterozygotes.

However, in reality, the rate of clotting depends on the concentration of clotting factor present in blood plasma. This percentage depends on the physiology of a person but not on the number of alleles present. For example, proteins or enzymes required for gene expression, et cetera.

8 0
3 years ago
What is the minimum internal temperature for holding hot food to
katovenus [111]
74 degrees celsius or 165 degrees Fahrenheit
8 0
3 years ago
Mendel developed pure lines of peas for his experiments because he wanted
Ivahew [28]

Answer:

A

Explanation:

3 0
3 years ago
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