Answer:
Isotonic contractions maintain constant tension in the muscle as the muscle changes length. This can occur only when a muscle's maximal force of contraction exceeds the total load on the muscle. Isotonic muscle contractions can be either concentric (muscle shortens) or eccentric (muscle lengthens).
Analogous structures!
Analogous structures are things that look similar and serve similar functions but do not come from a common ancestor.
1.Fertilization occurs when sperm fuses with egg.
2.Bacteria
Just took the test and they were both correct.
So for the answer for this one is going to be d
