How do some animals, such as bears, deal with seasonal changes in the environment that result in cold temperatures and little food?

a) they hibernate.
b) they become extinct.
c) they are camouflaged.
d) they leave and find another home.

Identify which gland in the endocrine system is involved in each dysfunction and explain the effect of hormonal imbalance that was observed. 1.dwarfism 2.gigantism 3.goiter

What have we learned from fossil evidence about evolution? a) it is an abrupt change. b)the process is observable. c) it takes place during one lifetime only. d)the most complex traits are always selected.

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.