2 Pretest Unit 5 A.
Question 3 of 34
Which endocrine gland releases a hormone to regulate calcium levels in the
bloodstream?
(Pineal Hypothalamus
and Pulary glands
Thyroid
Thymus
Adre
Pancreas
Ovari (2)
:
A. Pancreas
OB. Adrenal gland
O C. Thyroid
O D. Pituitary gland
PREVIOUS
o
US 1:3

Which example describes a mutualistic relationship between organisms? young wasps prey on caterpillars. crabs eat the remains of dead fish. tapeworms feed on food in the intestines of cats ants protect a tree on which they feed.

Which of the following types of pollution is most responsible for large numbers of deaths worldwide because of unsafe drinking water? (a) nutrient pollution (b) thermal pollution (c) pathogen pollution (d) sediment pollution

Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.