A) Homozygous
An organism in which two copies of the gene are identical and are the same allele is called homozygous
Answer: B. Closed
In a closed circulatory system is the one in which the blood is circulated to all the parts of the body of the organism through vessels of different length and width. In this system the blood is pumped from the heart through blood vessels where it is transported to different organs and cells of the body instead of filling up the body cavity.
Answer:
7
Explanation:
There are always half the chromosomes in sex cells.
Answer:
A
Explanation:
because bacteria grows small till it dies