1. What is a macromolecule? Name four macromolecules present in all living things and identify what they have in common.

Which endocrine gland (s) communicate (s) with the hypothalamus to control many body activities, including growth from infancy to adulthood? a adrenal glands?

Isabella was horrified when her newborn son Matteo became cyanotic immediately after he was born. He was whisked away;

Differentiate between carrying capacity and population density.

1. An example of an organism that has an incomplete digestive system is a. a sea star. b. a sponge. c. a spider. d. a sand dollar.

Lichens result from Symbiosis between a fungus and A. Photosynthetic bacteria. B. Euglena. C. Photosynthetic algae D. both (A) and (C)

Whats the diffrence between qualitative and qauntitative data

A child with a suspected airway obstruction is brought to the emergency room. he produces a harsh, strident sound on inspiration (stridor). where is the obstruction likely to be located, based on this information?

Roan cattle show codominance for the color of their hair. there are alleles for red hair and white hair. what would you expect a heteozygous roan bull to look like if the trait showed incomplete dominance instead?

Which natural polymer contains 3,000 or more glucose monomers? starch protein cellulose nucleic acid?

Which one of the following is an example of a prokaryote?