<u>Answer:</u>
<em>Six centromeres are observed in a prophase cell from an insect, there are </em><u><em>20 pairs of chromosomes present</em></u><em>. </em>
<u>Explanation:</u>
<em>Centromeres is defined as the part of the DNA</em> which are held responsible for the directional changing of chromosomes.
And these chromosome gets divided into <em>2 daughter cells while undergoing the process of mitosis and meiosis. </em>
<em>Chromosome is basically defined as a thin structure</em> as of a threadlike which is made out of nuclei acid and protein which is <em>located at the nucleus of various living cells</em>
Answer:
Option A, Key stone
Explanation:
A keystone species plays a major role in an ecosystem as it is the species whose presence effects all other species in the ecosystem .In general a keystone species is always a dominant predator that feed on prey population. If it is removed, the prey population will explode and the population diversity will reduce. For example - bison, prairie dog etc.
Hence, option A is correct
Answer:
<h2>A.controlled cell division </h2>
Explanation:
Thankyou
Answer:
both of the models have enzymes that bind and the binding is covalent
Explanation:
Answer:
Explanation:
A population distribution shows _______.
a. the distribution of age groups within a population
b. the amount of organisms in a unit area
c. the total number of organisms in a population
d. where and in what arrangement organisms are located Please select the best answer from the choices provided
