Ans.
Testes and ovaries are male and female reproductive organs, respectively. These organs are similiar as testes produce male gametes or sperms by the process of spermatogenesis and ovaries produce female gametes or ova by the process of oogenesis.
These gametes fuse together to form zygote that develops into a multicellular organism. Thus, the correct answer is 'option A). both produce sex cells.'
Answer:
The primary function of the lymphatic system is to transport lymph, a fluid containing infection-fighting white blood cells, throughout the body.
Explanation:
The number of camouflaged guppies will increase while the number of uncamouflaged guppies will decrease. Since uncamouflaged guppies are easy to be noticed, predators will eat them. So their number must decrease. On the other hand, camouflaged guppies will remain hidden and their number will increase since they will mate each other.
