What is the role of the effector in a feedback loop?
a. it detects a change due to a stimulus.
b. it causes a response to a stimulusc. it is the respone to a stimulus

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?