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Sedbober [7]
2 years ago
14

What does it mean that sponges are sessile?

Biology
1 answer:
tatuchka [14]2 years ago
3 0

Answer:

The answer is C

Explanation:

I go to K12

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For a species with a diploid number of 26, indicate how many chromosomes will be present in the somatic nuclei of individuals th
zhuklara [117]

Answer:

<h2>Haploid=13</h2><h2>triploid=39 </h2><h2>tetraploid=52</h2><h2>trisomic=14 </h2><h2>monosomic=12</h2>

Explanation:

Given;

A species with a diploid number of 26,  so 26= 2n ( a diploid cell),

so in haploid condition, chromosome number becomes half (13 in this case). triplod is when 2n + n, and 2n +2n ( tetploid). Trisomy and monosomy is the addition or deletion of a sinlge chromosome of a sinlge set  .

Haploid=13, one chromosome from each pair of chromosome set,

triploid=39 (13× 3); diploid+ n( 3n)

tetraploid=52 (13× 4) 4n

trisomic=14 (13+1) ; n+1

monosomic=12 (13-1); n-1

7 0
3 years ago
In your own words, explain what natural selection is?
Katyanochek1 [597]

Answer:

Natural selection is the process of which forms of life having traits that better enable them to adapt to specific environmental pressures, such as predators, changes in climate, or even competition for food or mates. As the species will tend to survive and reproduce in greater numbers than others of their kind, thus ensuring the perpetuation of those favorable traits in succeeding generations.

3 0
3 years ago
A primary oocyte residing in a primordial follicle becomes a secondary oocyte ________.
umka2103 [35]
A primary oocyte residing in a primordial follicle becomes a secondary oocyte "in the vesicular follicle".
7 0
3 years ago
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Which of the following is considered the first receiver for the nicotine in a smocking person?
Katena32 [7]

Answer:

i think nicotine travels through blood and we know blood reaches the right ventricle first

maybe right ventricle

4 0
3 years ago
Please help asap!! This is bio related
Lady bird [3.3K]

awnser is high concentrations of oxygen

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