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gogolik [260]
3 years ago
7

Need help with this question. ​

Biology
1 answer:
Harman [31]3 years ago
5 0

They could discover which organisms are closely related to the mammoth, and which one is the most closely related.

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Do annelids have internal or external shell?
n200080 [17]


Annelids have neither an external or an internal shell.  Examples of annelids are

earthworms and leeches. 

6 0
3 years ago
Read 2 more answers
Name the three types of RNA & list their roles in making proteins
lidiya [134]
<span>tRNA - Transfer RNA: Brings amino acids to ribosomes during translation.
rRNA - Ribosomal RNA: With ribosomal proteins, makes up the ribosomes, the organelles that translate the mRNA.
<span>snRNA - Small nuclear RNA: With proteins, forms complexes that are used in RNA processing in Eukaryotas. (Not found in prokaryotes.)</span></span>
8 0
3 years ago
Which is not true about spermatogenesis? the process takes place in the walls of the seminiferous tubules. mature spermatozoa ar
mixer [17]

 Answer: Spermatogenesis begins at birth and continues throughout a man's life.

The process in which haploid spermatozoa develop from germ cells in the seminiferous tubules of the testis is known as Spermatogenesis. Thus, the process of spermatogenesis start with mitotic division of the stem cells that is located close to the basement membrane of the tubules. However, a mature male gametes known as sperm but it is commonly known as spermatozoa.

4 0
3 years ago
What molecules occur in the greatest number in the bacterial cell?
djyliett [7]
The cytoplasm of a bacterial cell contains the deoxyribonucleic acid (DNA) molecules that make up the bacterial genome (or nucleoid), the transcriptional machinery that copies DNA into ribonucleic acid (RNA), and the ribosomes that translate the messenger RNA information into protein sequence.
4 0
3 years ago
An ecosystem has 150 organisms of 15 different species. What is the biodiversity index of this ecosystem?
iren2701 [21]

Answer:

0.1

Explanation:

To calculate this, scientists use a formula called the biodiversity index in order to describe how much are the species of a given area diverse. It is calculated by taking the number of species in the area and divided by the total number of individuals in that area. This gives us the biodiversity index.

In this example, there are 15 species in an area and we divide that by 150 organisms to get a 0.1 biodiversity index.

4 0
2 years ago
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