Answer:
B. Primary spermatocytes
Explanation:
The germ cell line is a group of cells found inside the seminiferous tubules. This germ cells undergo mitosis (creating spermatogonia) to have a steady supply of cells that will divide by meiosis to produce gametes. When spermatogonia divide by meiosis at the end of meiosis I the newly created cells are known as primary spermatocytes.
Answer:
Nuetral
Explanation:
There are bad mutations, but there are good mutations. Its all a part of natural selection.
The answer is false.
The group of similar cells working together to perform a specific job is called a tissue. The functional group of multiple tissues is called organ. Functionally related organs form organ systems, which all together form one organism.
So, surgeon is working at the organ level. The lungs are the organs of transpiration. Since they are organs, they consist of multiple tissues, which consist of many cells. But the surgeon does not work on one single cell, he works with the whole organ.
Answer:
Heterotrophs
Explanation:
Autotrophs are organisms that are able to use a source of energy such as sunlight, to produce their own food. Heterotrophs cannot produce their own food and must rely on the foods they ingest for energy.
