Evolutionary Relationships — Cumulative exam Answers

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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
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Which organelle can be compared to a security guard who decides whom may enter a building and whom may not?

A
cell membrane
B
cytoplasm
C
endoplasmic reticulum
D
mitochondrion
44

Which statement best describes the difference between xylem and phloem?

A
Xylem transports water and nutrients in the plant, and phloem transports water and sugar.
B
Xylem cells make up vascular tissue, and phloem cells make up ground and dermal tissue.
C
Xylem tissue is found at the growing parts of plants, and phloem is found on the outer part of plants.
D
Xylem cells are thin-walled and tubular, and phloem cells are thick walled and strengthened by lignin.
45

In rock layers, jellyfish fossils are found lower than trilobite fossils, and trilobite fossils are found lower than ammonite fossils. What can be determined from this information?

A
Trilobites existed before jellyfish and ammonites.
B
Jellyfish existed before trilobites and ammonites.
C
Ammonites existed before trilobites and jellyfish.
D
Jellyfish, trilobites, and ammonites lived together.
46

Which is an example of temporal isolation?

A
flowers that bloom in different months
B
birds that have different mating calls
C
fruit flies that mate in different locations
D
squirrels that have different fur colors
47

Which example best demonstrates the importance of having knowledge of evolutionary relationships?

A
illustration of a plant leaf
B
organ transplantation between species
C
blood donation from a human to a human
D
DNA sequence of an insect
48

Ceratium fusus is a protist that is found primarily in coastal waters, especially around the coast of the United Kingdom. These organisms are unique because they can undergo a special chemical reaction at night that helps defend them against predators. It provides defense by attracting larger predators that prey on the organisms that eat Ceratium fusus. Which characteristic of Ceratium fusus is being described?

A
photosynthesis
B
glass-like cell walls
C
bioluminescence
D
chitin cell walls
49

An animal cell (left) and a plant cell (right) are shown.Which organelle, labeled X in the diagram, is found in both plant and animal cells?

Question illustration
A
the cell wall
B
the cell membrane
C
mitochondrion
D
ribosome
50

According to the endosymbiotic theory, which cellular process was involved in the evolution of mitochondria and chloroplasts?

A
symbiosis
B
phagocytosis
C
endosymbiosis
D
photosynthesis

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