Q: What allows for a large and mature fetus before birth, resulting from a long period of fetal growth in the uterus? Choices: - the vagina - the cervix - the ovaries - the placenta A:
the placenta

(Question)
Q: What effect occurs when a population suddenly gets much smaller, due to natural disaster or other cause? Choices: - convergence effect - limitation effect - extinction effect - bottleneck effect A:
(Answer)
bottleneck effect

Ques: Q: What gives the plant cell strength and protection? Choices: - the protons - the cell nucleus - the genes - a cell wall A:
Ans: a cell wall

(Q).
Q: How many chambers does an amphibian heart have? Choices: - four - two - one - three A:
(A).
three

Ques:Q: What is something that all machines must overcome? Choices: - stress - work - temperature - friction A:

Ans:friction

Ques:Q: What kind of joints are capable of a wide range of movements, classified as gliding, angular, rotational, or special? Choices: - glandular - locking - fibrous - synovial A:

Ans:
synovial