Answer:
Peduncle
Explanation:
The Caudal Peduncle or Peduncle in this case is the muscular region that is found between the dorsal and an.al fins.
This Peduncle helps the fish to swim and navigate the currents in the water.
It helps to propel the fish to move quickly through water as it acts like a motor.
Answer:
C
Explanation:
Positive natural selection, or the tendency of beneficial traits to increase in prevalence (frequency) in a population, is the driving force behind adaptive evolution. ... At the molecular level, selection occurs when a particular DNA variant becomes more common because of its effect on the organisms that carry it.
Autotrophs remove CARBON DIOXIDE from the air and fix this into tissues providing OXYGEN for secondary consumers.
Autotrophs are self-producing organisms that are found within the environment. These are plants that can sustain their lives through the process of synthesis. Without these producers, life on earth would cease to exist.
Answer:
I believe it is D
Explanation:
Complementary base pairs are held together by hydrogen bonds. Adenine and Thymine go together. Cytosine and Guanine go together.
