ESTUDY
TEST BANK FOR CAMPBELL BIOLOGY 12TH EDITION
|| CHAPTERS 32||FULL COMPLETE||LATEST
### 1) Both animals and fungi are heterotrophic. What makes animal heterotrophy different from fungal
heterotrophy?
A) Preying on other animals
B) Ingesting food
C) Eating living organisms instead of dead ones
D) Using enzymes to digest food
**✔ Answer: B**
---
### 2) Some insect larvae look like small adults, while others look very different, eat different foods, and
live in different places. What most likely leads to the evolution of this more extreme type of
metamorphosis?
A) Natural selection on immature forms
B) Changes in homeobox genes controlling early development
C) Evolution of meiosis
D) Development of an oxygen-rich atmosphere
E) Emergence of a brain
**✔ Answer: B**
---
,ESTUDY
### 3) Which of the following is unique to animals?
A) Cells with mitochondria
B) Chitin in their structure
C) Nervous system and muscle movement
D) Heterotrophy
E) Two of these are correct
**✔ Answer: C**
---
### 4) What do animals like corals and monkeys have in common?
A) Body cavity between body wall and digestive tract
B) Number of embryonic tissue layers
C) Type of body symmetry
D) Presence of Hox genes
E) Level of cephalization
**✔ Answer: D**
---
### 5) In what order did Hox genes come to regulate these processes, from earliest to most recent?
1. Identity and position of appendages in protostomes
,ESTUDY
2. Anterior-posterior orientation in protostomes
3. Positioning of tentacles in cnidarians
4. Anterior-posterior orientation in vertebrates
A) 4 → 1 → 3 → 2
B) 4 → 2 → 3 → 1
C) 4 → 2 → 1 → 3
D) 3 → 2 → 1 → 4
E) 3 → 4 → 1 → 2
**✔ Answer: D**
---
### 6) In some insect species, chromosomes carrying larval genes are removed from somatic cells during
metamorphosis. What could this result in?
A) Inability to clone a larva from the somatic cells of these adults
B) These species must reproduce only asexually
C) These adults will not produce larvae
D) Metamorphosis can no longer occur in the descendants
E) Two of these are correct
**✔ Answer: A**
---
, ESTUDY
### 7) The last common ancestor of all animals was most likely a:
A) Unicellular chytrid
B) Unicellular yeast
C) Multicellular algae
D) Multicellular fungus
E) Flagellated protist
**✔ Answer: E**
---
### 8) Which feature would be most surprising to find in fossils of the Ediacaran fauna?
A) True tissues
B) Hard parts
C) Bilateral symmetry
D) Cephalization
E) Embryos
**✔ Answer: B**
---
### 9) Which statement best supports the idea that the Cambrian explosion was caused by the rise of
predator-prey relationships?
A) Increased number of worm burrows in fossils
B) Increased size of animals in fossils
TEST BANK FOR CAMPBELL BIOLOGY 12TH EDITION
|| CHAPTERS 32||FULL COMPLETE||LATEST
### 1) Both animals and fungi are heterotrophic. What makes animal heterotrophy different from fungal
heterotrophy?
A) Preying on other animals
B) Ingesting food
C) Eating living organisms instead of dead ones
D) Using enzymes to digest food
**✔ Answer: B**
---
### 2) Some insect larvae look like small adults, while others look very different, eat different foods, and
live in different places. What most likely leads to the evolution of this more extreme type of
metamorphosis?
A) Natural selection on immature forms
B) Changes in homeobox genes controlling early development
C) Evolution of meiosis
D) Development of an oxygen-rich atmosphere
E) Emergence of a brain
**✔ Answer: B**
---
,ESTUDY
### 3) Which of the following is unique to animals?
A) Cells with mitochondria
B) Chitin in their structure
C) Nervous system and muscle movement
D) Heterotrophy
E) Two of these are correct
**✔ Answer: C**
---
### 4) What do animals like corals and monkeys have in common?
A) Body cavity between body wall and digestive tract
B) Number of embryonic tissue layers
C) Type of body symmetry
D) Presence of Hox genes
E) Level of cephalization
**✔ Answer: D**
---
### 5) In what order did Hox genes come to regulate these processes, from earliest to most recent?
1. Identity and position of appendages in protostomes
,ESTUDY
2. Anterior-posterior orientation in protostomes
3. Positioning of tentacles in cnidarians
4. Anterior-posterior orientation in vertebrates
A) 4 → 1 → 3 → 2
B) 4 → 2 → 3 → 1
C) 4 → 2 → 1 → 3
D) 3 → 2 → 1 → 4
E) 3 → 4 → 1 → 2
**✔ Answer: D**
---
### 6) In some insect species, chromosomes carrying larval genes are removed from somatic cells during
metamorphosis. What could this result in?
A) Inability to clone a larva from the somatic cells of these adults
B) These species must reproduce only asexually
C) These adults will not produce larvae
D) Metamorphosis can no longer occur in the descendants
E) Two of these are correct
**✔ Answer: A**
---
, ESTUDY
### 7) The last common ancestor of all animals was most likely a:
A) Unicellular chytrid
B) Unicellular yeast
C) Multicellular algae
D) Multicellular fungus
E) Flagellated protist
**✔ Answer: E**
---
### 8) Which feature would be most surprising to find in fossils of the Ediacaran fauna?
A) True tissues
B) Hard parts
C) Bilateral symmetry
D) Cephalization
E) Embryos
**✔ Answer: B**
---
### 9) Which statement best supports the idea that the Cambrian explosion was caused by the rise of
predator-prey relationships?
A) Increased number of worm burrows in fossils
B) Increased size of animals in fossils
