Answer:
Zygote, cleavage and hatching are embryogenic stages of fish, salamander, turtle and chicken.
Explanation:
The main embryogenic development stages of fish, salamander, turtle and chicken were zygote, cleavage and hatching. all these stages are present in these organisms which shows that fish, salamander, turtle and chicken are evolved from a single ancestor. Due to similar embryogenic development stages indicates close evolutionary relationships among these organisms.
Answer:
In many cases, the impact of the HIV/AIDS epidemic on families, communities, and countries has feedback effects that influence the course of the epidemic –- for example, poverty and the breakdown of social and economic systems impair community systems that could help to stem the spread of infection.
Explanation:
Answer:
It occurs out side of mitochondria-(the krebs cycle takes place in mitochondrial matrix
Explanation:
-(the krebs cycle takes place in mitochondrial matrix
The second one probably because of the law of conservation of mass where mass is not created or destroyed, so the mass has to be the same.
This is a true statement. An electron closer to the nucleus would be difficult to remove because the electronegativity of the atom would be greater.