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maw [93]
3 years ago
10

A mule is the infertile offspring of a horse and a donkey Mules have historically been used as mounts and beasts of burden,

Biology
2 answers:
Sholpan [36]3 years ago
6 0

Answer:

A Mules cannot reproduce

Explanation:

I just took a test and got it right

Snezhnost [94]3 years ago
5 0

Answer:

a

Explanation:

because mules can not reproduce

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Generalized defense responses in organs distant from the infection site are called _____.
Alika [10]
For the answer to the question above, the answer is "Systemic Acquired Resistance''.
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8 0
3 years ago
The slow accumulation of genetic changes to an influenza virus over time is referred to as _______.
Ivenika [448]

Answer:

<u>Antigenic drift</u> refers to the slow accumulation of genetic changes to an influenza virus over time.

Explanation:

Antigenic drift is defined as the mechanism by which viruses undergo variation. This mechanism involves the slow accumulation of mutations in the viral genes, that are responsible for coding the antibody binding sites. This leads to the formation of a new strain of virus, which can't be inhibited by the old antibodies. Due to this, the virus can easily spread the disease.

The antigenic drift occurs in the influenza A virus and also the influenza B viruses.

Therefore, <u>Antigenic drift refers to the slow accumulation of genetic changes to an influenza virus over time.</u>          

8 0
3 years ago
Which term is correct for one female arctic fox? biome species ecosystem organism
Flauer [41]

Answer:

D.) Organism

Explanation:

On the basis of biological organization, one  female arctic fox will be considered as an organism.

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So, biome is the community of animals and plants having common characteristics according to the environment; species is also a group of living organism sharing similar genes; ecosystem include different groups with the physical (abiotic) environment and organism is the basic living system,that include at least one cell.

So, one female arctic fox will be termed as an organism and the correct option is D.

3 0
2 years ago
What allows some individuals to have an advantage over others of the same species
aev [14]
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What is the definition of feeding relationship?
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