AnswersPT-GSE Environmental Science A-IC – 81Lab: Ecological Succession

Lab: Ecological Succession — Cumulative exam Answers

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A farmer has applied a pesticide to control a pest population that is affecting her crops. The pest population has reacted as shown below.Which best describes the process that the pest population has experienced due to this environmental change?

Question illustration
A
genetic diversity
B
natural selection
C
natural resistance
D
gene flow
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Ari drew a diagram to show organisms in an ecosystem.

Question illustration
A
a food chain
B
a trophic chain
C
a food web
D
an energy web
43

A Russian citizen has illegally obtained a Siberian tiger and is trying to sell the tiger’s fur in the United States. What treaty does this violate?

A
Tiger Treaty
B
Lacey Treaty
C
CITES
D
EPA
44

Consider the phylogenetic tree.Which pair of organisms is most closely related to primates?

Question illustration
A
amphibians and rodents
B
crocodiles and amphibians
C
rodents and rabbits
D
dinosaurs and birds
45

Chris drew a diagram to compare the ways in which different organisms obtain nitrogen.

Question illustration
A
breathe in from atmosphere
B
produce themselves
C
eat other organisms
D
absorb from soil
46

There is an algal bloom in a bay in a populated area. As the leading marine biologist in the area, what is the most important thing to do, based on scientific evidence about such blooms?

A
warn people about which food is safe to eat
B
develop a strategy to prevent future algal blooms
C
encourage people to go clean the affected area
D
evacuate all wildlife from the bay
47

Which is an advantage of flowering plants?

A
Flowers attract insects that transport gametes.
B
Flowers give greater access to sunlight.
C
Flowers help transport water and nutrients.
D
Flowers assist plants that live in the water.
48

How are the tongue, ears, and nose a part of the nervous system?

A
They are sense organs that are part of the central nervous system.
B
They are sense organs that are part of the peripheral nervous system.
C
They are internal organs that are part of the central nervous system.
D
They are internal organs that are part of the peripheral nervous system.
49

Imagine a person stepping on a pin and pulling his or her foot away. Look at the reflex arc of this scenario below.

Question illustration
A
The sensory nerve carries the signal from the effector to the interneuron, and the motor neuron carries the signal to the receptor.
B
The motor nerve carries the signal from the receptor to the interneuron, and the sensory neuron carries the signal to the effector.
C
The sensory nerve carries the signal from the receptor to the interneuron, and the motor neuron carries the signal to the effector.
D
The sensory nerve carries the signal from the receptor to the motor neuron, and the interneuron carries the signal to the effector.
50

This table incudes the characteristics of all major kingdoms.Characteristics of Each KingdomDomain KingdomBody typeCell typeBacteriaEubacteriaUnicellularProkaryoteArchaeaArchaebacteriaUnicellularProkaryoteEukaryaProtistaMost unicellularEukaryoteFungiBothEukaryotePlantaeMulticellularEukaryoteAnimaliaMulticellularEukaryoteBased on the table, which kingdom(s) includes more than one body type?

A
Protista and Fungi
B
Eukarya and Archaea
C
Plantae and Animalia
D
Protista and Plantae

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