Answer:
He discovered that certain traits were linked to the X chromosome. He discovered that certain traits were linked to the Y chromosome. He created the first white-eyed female Drosophila. He created the first white-eyed male Drosophila.
Explanation: brainliest plz
Answer:
option #3
Explanation:
each tropic level gets only 10% of the energy from the thing it eats because that organism uses loses energy when it moves or by heat.
A.
Active transport is the energy-requiring process of pumping molecules and ions across membranes "uphill" - against a concentration gradient.
