Unit Test — Unit test Answers

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This table lists examples of plants. Plant Classifications GymnospermsAngiospermsAFlowering plants, grains, and fruit treesConifers, cycads, and gingkosBGrains, flowering plants, and gingkosFruit trees, conifers, and cycadsCFruit trees, cycads, and grainsConifers, gingkos, and flowering plantsDConifers, cycads, and gingkosFlowering plants, grains, and fruit treesWhich row (A, B, C, or D) in the table accurately categorizes the plants as gymnosperms and angiosperms?

A
A
B
B
C
C
D
D
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In what respect is a mycelium and a fruiting body similar?

A
Both are made of hyphae.
B
Both are found above the ground.
C
Both produce reproductive spores.
D
Both absorb nutrients underground.
3

Shelby is a plant breeder who is trying to identify the cause of a disease among a group of trees. She observes that the organism reproduces through spores and has reproductive structures that are shaped like a sac. Which type of fungus is it?

A
Ascomycota
B
Basidiomycota
C
Chytridiomycota
D
Zygomycota
4

Consider the recent phylogenetic tree of five different organisms. Old classification systems based on physical characteristics would most likely disagree with the relationship between which two animals in the tree?

Question illustration
A
crocodiles and insects
B
bats and humans
C
birds and bats
D
humans and crocodiles
5

Which animals form a eusocial society?

A
ants
B
cheetahs
C
polar bears
D
moose
6

Which reason best explains why bacteria are good at causing infections in other organisms?

A
It would not be able to divide.
B
Bacteria are transmitted easily and reproduce quickly.
C
Bacteria evolve slowly as they pass on genetic information.
D
Bacteria are easily killed by a host’s immune system or antibiotics.
7

Which term represents animals without backbones?

A
invertebrates
B
heterotrophs
C
autotrophs
D
vertebrates
8

These statements compare and contrast Ascomycota and Basidiomycota.I. Some species in both groups can cause plant diseases.II. Species from both groups can be used in making bread rise.III. All species in both groups can be used as food.IV. Ascomycota produce spores in a sac-like structure; Basidiomycota produce spores in a club-shaped structure. Which of the statements are true?

A
II and III
B
III and IV
C
I and IV
D
II and IV
9

Which statement accurately describes reproduction in animals?

A
All animals can reproduce asexually, and some can reproduce sexually.
B
All animals can reproduce sexually, and some can reproduce asexually.
C
Animals only reproduce sexually.
D
Animals only reproduce asexually.
10

Darius made a diagram to compare and contrast two benefits of social behavior.

Question illustration
A
keeps group safe from predators
B
helps take down prey
C
divides jobs within group
D
increases chances of survival
11

There are four steps in bacterial conjugation. The second step is missing in this list.1. Special sex pilus connects two cells.2.3. Each cell makes a complementary DNA strand.4. The cells separate.Which is the missing step for the process of conjugation described?

A
Two new, identical cells are produced.
B
The cell membrane elongates and pinches off.
C
Some DNA moves from one cell to another.
D
A DNA molecule attaches to the cell membrane.
12

Consider the diagram of the basic structure of bacteria.Which of the labeled structures in the diagram allows bacteria to infect organisms under harsh conditions, such as in the acidic stomach?

Question illustration
A
A
B
B
C
C
D
D
13

A student studies a plant specimen. The student notices that the plant has seeds that are enclosed by a fruit. Which term can the student use to definitely describe the plant based on the evidence that they see?

A
angiosperm
B
gymnosperm
C
monocot
D
dicot
14

Which animals use the specialized roles of diver and barrier while participating in cooperative hunting?

A
ants
B
zebra
C
bottlenose dolphins
D
wildebeests
15

Which best describes what happens when an animal does not form a social group?

A
Foraging is more difficult when hunting a large prey.
B
Reproduction is easier because of access to multiple mates.
C
Fighting off predators is easier with one individual.
D
The division of labor is more difficult as it increases competition.

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