A(n) ________ is an organism that lives on or within another without killing the host
Fill in the blank(s) with correct word
parasite
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A hydrocarbon skeleton is covalently bonded to an amino group at one end and a carboxyl group at the other end. When placed in water this molecule would function _____
A) only as an acid because of the carboxyl group B) only as a base because of the amino group C) as an acid and a base D) as neither an acid nor a base E) It is impossible to determine how it would function, based on the provided information.
The organ system that is responsible for locomotion and maintaining posture and the generation of heat
A) Muscular
B) Reproductive
C) Digestive
D) Cardiovascular
E) Integumentary
F) Urinary
G) Respiratory
H) Skeletal
I) Nervous
J) Endocrine
K) Lymphatic
Ghost shrimp live:
a. in burrows. b. under rocks on the mud flat. c. on the surface of the mud. d. in the water above the mud flat. e. symbiotically with bivalves.
Four of the five statements listed below apply to the types of ecological pyramids. Which one is FALSE?
a. A pyramid of numbers has the greatest number of organisms at the top. b. A pyramid of energy shows that energy increases as one goes toward the apex of the pyramid. c. A pyramid of biomass cannot be inverted. d. The base of all ecological pyramids is equal in size to the top. e. The pyramid of biomass show actual biomass reduction from one trophic level to the next.