The hydrogen bonds of water play an important role in the ability of animals to regulate their body
temperature. Explain how this occurs. What will be an ideal response?
Concepts to Consider: Transfer of energy to the hydrogen bonds; excess body heat is transferred to
hydrogen bonds of water; heat is removed when water vaporizes at the body surface of the animal.
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The field of evo-devo:
A. All of these options are correct. B. examines the genetic and developmental mechanisms of evolutionary change. C. aims to understand the genetic differences that underly differences in form and function between species. D. examines the molecular mechanisms that guide development in individual species. E. compares the genetic programs for growth and development in different species.
Which of the following organelles is not generally found in animal cells?
A) food vacuole B) centriole C) endoplasmic reticulum D) central vacuole E) mitochondrion
The first Archaea were found in extreme environments
1.True 2.False
Red algae can live in deeper water because of their
a. phycobilins. b. holdfasts. c. chlorophyll a. d. stonelike cell walls. e. preference for freshwater habitats.