question 19 = all the molecules are different lengths ( last answer)
question 20 = crossing over
<span>c.Carnivorous
In the biosphere, there exist the three types of animals which are the omnivores, carnivores and herbivores. These carnivores as the given query proclaims that they have well-developed canine teeth -sharp and can cut through flesh with ease. </span>
Answer:
b.) centrosome
Explanation:
Centrosome is a structure with the function of main microtubule organizing center (MTOC) of the animal cell. This structure has a key role in mitosis where it acts as a regulator of cell-cycle progression. Centrosome is composed of two centrioles which serve to organize microtubules durind the cell division.
Answer: The invasive species unbalance an ecosystem because it takes over an ecosystem and does not let the other native species thrive while it takes over. There are many invasive species around the world even in your own town or state there is a type of fish suppose that is an invasive species to Michigan called a sea lamprey which kills fish native to the great lakes and is taking over there are also zebra muscles if you need another example
BRAINLIEST PLZ