The answer is A: epithelial tissue lines the surface of blood vessels and organs so you can't really cut off tis blood supply
Answer: B, C and, D
It allows nutrients to enter the cell.
It provides a barrier against disease-causing agents.
It enables cells to interact with their environment.
Answer:
Number 3
Explanation:
Dominant: 20, Recessive: 20
An allele is the alternative of a gene. On his case, these beans represent the alleles for a simple Mendelian trait, where red is dominant (R) and white is recessive (r).
As states earlier there are 20 red beans (20 dominant alleles) and 20 white beans (20 recessive beans) and each beach represent an allele.
3- spores that’s the answer