BIO 182 EXAM 3 2025 Questions and
Answers 100% Pass
Animals are distinguished from other groups of eukaryotic organisms in that they?
(Select all that apply.)
-produce collagen.
-are multicellular heterotrophs lacking cell walls.
-have embryos that include a gastrula stage.
-are mobile. - ANSWER--produce collagen.
=are multicellular heterotrophs lacking cell walls.
-have embryos that include a gastrula stage.
Vertebrates are distinguished from other chordates by: (Select all that apply.)
-paired appendages in all vertebrates.
-well-developed vertebrae in all vertebrates.
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,-a jaw in all vertebrates.
-a mineralized skeleton made of calcium phosphate in all vertebrates.
-a protective cranium in all vertebrates. - ANSWER--well-developed vertebrae in
all vertebrates.
-a protective cranium in all vertebrates.
Correctly match each group of mollusks with the descriptions below. The mollusk
groups may be used once, more than once or not at all.
a.gastropods
b.cephalopods
c.bivalves
1. snails and slugs
2. obtain food by filtering particles from seawater using siphons
3. are able to learn visual patterns and solve puzzles
4. most of the 80,000 described species of mollusks fall into this one group -
ANSWER-1.a
2.c
3.b
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, 4.a
Approximately 40% of living ferns are tropical epiphytes, a fact that supports the
hypothesis that: - ANSWER-the origin and eventual domination of angiosperms in
tropical forests both displaced and created new opportunities for other plant
lineages.
The Chelicerates: (Select all that apply.)
-were among the first animals to invade land more than 400 million years ago.
-have pincer-like claws, antennae, and wings.
-are ecologically diverse, particularly in their food habits, with different groups
specializing on a wide variety of plant and animal foods.
-are known for their venoms.
-include spiders, scorpions, and their relatives. - ANSWER--were among the first
animals to invade land more than 400 million years ago.
-are known for their venoms.
-include spiders, scorpions, and their relatives.
Many biologists were surprised by molecular data supporting the hypothesis that
ctenophores are the sister group to all other animals. What anatomical and
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Answers 100% Pass
Animals are distinguished from other groups of eukaryotic organisms in that they?
(Select all that apply.)
-produce collagen.
-are multicellular heterotrophs lacking cell walls.
-have embryos that include a gastrula stage.
-are mobile. - ANSWER--produce collagen.
=are multicellular heterotrophs lacking cell walls.
-have embryos that include a gastrula stage.
Vertebrates are distinguished from other chordates by: (Select all that apply.)
-paired appendages in all vertebrates.
-well-developed vertebrae in all vertebrates.
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
,-a jaw in all vertebrates.
-a mineralized skeleton made of calcium phosphate in all vertebrates.
-a protective cranium in all vertebrates. - ANSWER--well-developed vertebrae in
all vertebrates.
-a protective cranium in all vertebrates.
Correctly match each group of mollusks with the descriptions below. The mollusk
groups may be used once, more than once or not at all.
a.gastropods
b.cephalopods
c.bivalves
1. snails and slugs
2. obtain food by filtering particles from seawater using siphons
3. are able to learn visual patterns and solve puzzles
4. most of the 80,000 described species of mollusks fall into this one group -
ANSWER-1.a
2.c
3.b
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, 4.a
Approximately 40% of living ferns are tropical epiphytes, a fact that supports the
hypothesis that: - ANSWER-the origin and eventual domination of angiosperms in
tropical forests both displaced and created new opportunities for other plant
lineages.
The Chelicerates: (Select all that apply.)
-were among the first animals to invade land more than 400 million years ago.
-have pincer-like claws, antennae, and wings.
-are ecologically diverse, particularly in their food habits, with different groups
specializing on a wide variety of plant and animal foods.
-are known for their venoms.
-include spiders, scorpions, and their relatives. - ANSWER--were among the first
animals to invade land more than 400 million years ago.
-are known for their venoms.
-include spiders, scorpions, and their relatives.
Many biologists were surprised by molecular data supporting the hypothesis that
ctenophores are the sister group to all other animals. What anatomical and
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 3
