Which of the following has the longest period of sensitivity to teratogenic efftects ?
a) peripheral nervous system
b) teeth
c) limbs
d)ears
e) central nervous system

Which process is represented a.) deletion b.) nondisjunction c.) translocation d.) insertion

Which of the following is an example of competition a. the leaves of a tree prevent a small shrub from getting sunlight. three species of birds feed a different heights in the same tree. b. three species of birds feed at different heights in the same tree c. zebra and giraffe’s feed on different grassland plants d. cats living in two different homes eat the same brand of cat food.

Procedure in pregnancy to have access to fetus. what do you call this procedure?