2025 BIO 182 FINAL EXAM ASU | QUESTIONS
AND CORRECT ANSWERS | GRADED A+ |
VERIFIED ANSWERS | ARIZONA STATE
UNIVERSITY
Which animal has limited locomotion due to its habitat? ---------CORRECT
ANSWER-----------------Roundworm (intestinal tract)
What structure does the Clam use for locomotion? ---------CORRECT
ANSWER-----------------Foot for digging
True or False: the Lancelet uses a fin for swimming ---------CORRECT
ANSWER-----------------True
Describe the locomotion of the Sea star ---------CORRECT ANSWER---------
--------Tube feet
Describe the locomotion of the Grasshopper ---------CORRECT ANSWER--
---------------Wings, legs
Describe the locomotion of the Crayfish ---------CORRECT ANSWER---------
--------Legs, tail, swimmerets
Describe the locomotion of the earthworm ---------CORRECT ANSWER------
-----------crawling (muscle contractions)
,What are the excretory organs of the Pig? ---------CORRECT ANSWER------
-----------Kidneys
Which animals use Nephridia as excretory organs? ---------CORRECT
ANSWER-----------------Clam, Clamworm, Earthworm, Lancelet
Describe the excretory organs of the Sea star ---------CORRECT ANSWER-
----------------Skin gills
Describe the excretory organs of the Grasshopper ---------CORRECT
ANSWER-----------------Malpighian tubes
Describe the excretory organs of the Crayfish ---------CORRECT ANSWER-
----------------Green glands (resemble nephridia)
Describe the excretory organs of the Roundworm ---------CORRECT
ANSWER-----------------Two lateral lines
Which two animals have no excretory system? ---------CORRECT
ANSWER-----------------Sponge, Hydra
Describe the excretory system of the Planarian ---------CORRECT
ANSWER-----------------Flame cells, 2 lateral excretory canals
,Cells from the blastopore region first develop into the anus in which clade
of animals? ---------CORRECT ANSWER-----------------Deuterostomes
Cells from the blastopore region first develop into the mouth in which clade
of animals? ---------CORRECT ANSWER-----------------Protostomes
What are the three embyronic tissue layers from superficial to deep? --------
-CORRECT ANSWER-----------------Ectoderm, mesoderm, endoderm
What body structures arise from the ectoderm? ---------CORRECT
ANSWER-----------------Skin/cuticle, nervous system
What body structures arise from the mesoderm? ---------CORRECT
ANSWER-----------------Skeleton, kidney, muscle, heart, blood (coelom)
What body structures arise from the endoderm? ---------CORRECT
ANSWER-----------------Digestive system and internal organs
What is the term used to define animals with only two germ layers? ---------
CORRECT ANSWER-----------------Diploblastic
What does NPP mean and how much is being used by humans? ---------
CORRECT ANSWER------------------Net Primary Productivity = total amount
of chemical energy supplied by plants
, -Humans use 24% of Earth's NPP
What are some reasons the birth rate has declined in the last 50 years? ----
-----CORRECT ANSWER------------------Women choosing to have less
children
-Regions with lowest birthrates have the most abundant resources and
education of women is encouraged
What is demographic transition? ---------CORRECT ANSWER------------------
The transition from high birth and death rates to lower birth and death rates
What are density dependent factors? ---------CORRECT ANSWER------------
------Predation, disease, competition between species (usually biotic)
What is carrying capacity? ---------CORRECT ANSWER------------------The
maximum population that can be supported indefinitely in an environment
-Birth rate = death rate
-(K)
What is exponential growth and when does it occur in nature? ---------
CORRECT ANSWER------------------Exponential growth is positive growth
-Observed in 2 circumstances: a few individuals found a new population in
a new habitat, or a population has been devastated by a catastrophe and
begins to recover, starting with a few surviving individuals
What are some density-independent factors? ---------CORRECT ANSWER-
-----------------Change is not dependent on the # of individuals in the
population
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