1. after which animals did mammary glands develop?

a. lizard

b. pigeon

c. salamander

d. mouse

2. based on the cladogram
what animals does not have jaws?

a. perch

b. hagfish

c. lizard

d. salamander

3. based on the cladogram
which animals have lungs?

a. hagfish

b. perch

c. salamander

d. both a and b

True or false: (a) the strings of little red dots represent carbohydrates. (b) the model is called a bilayer because there are two main types of molecules present, lipids and proteins. (c) the many black lines represent amino acid tails. (d) this model shows membrane transport. (e) the blue ovals are hydrophobic. (f) the blue ovals represent phospholipid heads.

In this picture, groups of pigment that capture light energy are located on the

The changes that the students observed, rapid breathing and sweating, would be classified as a to a change in a system.