Iguanas are known to fall out of trees when the regional temperature gets too cold. These creatures are known as A) exotherms. B) ectotherms. C) endotherms. D) isotherms.

Which of the following is required for active transport? a) NaCl b) $H_{2}O$ c) ATP d) DNA

A flock of cranes moves out of their wintering grounds in Africa to a new wetland I in Europe during the spring. What term explains what they are doing when they move to Europe? emigrating touring fowling drifting

What is the function of a keratinocyte? To replace older/ dying cells All answers are correct To produce keratin To protect basal cells from UV radiation To produce collagen

Rays give birth to live young. What is this process called? ovoviviparous viviperous oviperous internal fertilization copulation

What term represents a state of dormancy when climatic conditions are too harsh for normal activity? diapause winter rest both a and b neither a nor b

Which of these is/are an example of a jawless fish? (select all that apply) whale shark shark lamprey hagfish ray

Pre-Lab Questions Answer the following questions based on what you have learned so far. 1. What is the function of an enzyme? __ 2. What type of reaction does amylase catalyze? __ 3. What happens to starch when it is broken down by amylase? __

Aquaporins are: A Carrier proteins that transport water B Channel proteins that transport water C Carrier proteins that transport oxygen gas D Channel proteins that transport oxygen gas

Which of the following is a part of the autonomic nervous system? A All of the above B Sympathetic nerves C Somatic nerves D Afferent nerves

Which part of the microscope is attached to the revolving nosepiece? Eyepiece Objective lenses Condenser Iris diaphragm