1 is D
2 is C
3 is A
4 is B
5 is A
6 is D
7 is B
8 is C
9 is asexual reproduction
10 is sexual reproduction
Answer:
Continuous variations are formed due to chance segregation of genes during gamete formation, crossing over and chance combination during fertilization. They can increase adaptability of the race but cannot form new species.
Answer:
The valves' main job is to keep the blood moving in one direction – back up towards the heart. When the valve is open, blood freely flows upward towards the heart and when the valves are closed, blood cannot flow back
Answer:
Euglena is a large genus of unicellular protists
Explanation:
They have both plant and animal characteristics. All live in water, and moves by means of a flagellum. This is an animal characteristic. Most have chloroplasts, which are characteristic of Algae and Plants
