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The Rainforest Answers

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1
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Which of the following best describes the Lianas vine?

A
It only grows in the canopy.
B
It is a ground-dwelling vine.
C
It climbs a tree to the canopy then spreads to other trees.
D
It climbs a tree then spreads through that tree’s canopy.
2
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The least amount of air movement in tropical rainforests is found in (the) _______.

A
top canopy
B
second layer of the canopy
C
third layer of the canopy
D
none of the above
3

Organisms that live in the rainforest have developed unique adaptations that aid in their survival. Which of the following plants could be described as a predator?

A
bromeliads
B
lianas
C
fungal hyphae
D
pitcher plants
4

Sloths have less muscle than other mammals their size in order to _______.

A
conserve energy
B
maintain a lower body weight
C
digest their food faster
D
maintain a higher body temperature
5

Organisms that live in the rainforest have developed unique adaptations that aid in their survival. The greater yellow-headed vulture is found in undisturbed lowland tropical forests of the Amazon basin. It tracks down carrion to feed on by detecting the production of ethyl mercaptan, a gas that is produced at the beginning of animal decay. Photo by Sidnei Dantas Which adaptation might be found in the greater yellow-headed vulture, but not in the harpy eagle?

Question illustration
A
acute sense of smell
B
a powerful, hooked bill
C
close-set eyes to judge distances
D
short wingspan for maneuverability
6

Which of the following is not a characteristic of the rainforest biome?

A
high year-round rainfall
B
consistent year-round temperatures
C
wide diversity of plant and animal species
D
always found along coasts
7

Compared to the tropical rainforests, the temperate rainforests generally have __________.

A
less biomass
B
more biomass
C
more broad-leaf trees
D
locations near the equator
8

Organisms that live in the rainforest have developed unique adaptations that aid in their survival. Which adaptation would most likely be found in organisms living in the rainforest?

A
herbivores feed on low-lying plants
B
birds have beaks adapted to break open hard shells
C
insects have a widely-varied diet
D
plants are able to store water in their leaves
9

The plentiful nature of resources in the tropical rainforest reduces competition for them.

A
T
B
F
10

Rainfall in tropical rainforests amounts to about 10 to 14 feet per year.

A
T
B
F
11

The least amount of air movement in tropical rainforests is found in (the) _______.

A
top canopy
B
second layer of the canopy
C
third layer of the canopy
D
none of the above
12

Organisms that live in the rainforest have developed unique adaptations that aid in their survival. Which adaptation would most likely be found in organisms living in the rainforest?

A
herbivores feed on low-lying plants
B
birds have beaks adapted to break open hard shells
C
insects have a widely-varied diet
D
plants are able to store water in their leaves
13

The leaf-cutter ants do not feed on leaves.

A
T
B
F
14

The greatest level of biodiversity in the tropical rainforest is found in the _______.

A
top canopy
B
second layer of the canopy
C
third layer of the canopy
D
the ground
15

The amount and type of precipitation in temperate rainforests is the same as tropical rainforests.

A
T
B
F
16

The rainforest contains half of the Earth’s wildlife and at least two thirds of its plant species. It can hold great quantities of water and is very important to the planet’s water cycle. Rainforests remove vast amounts of CO2 from the atmosphere and replace it with oxygen. Which of the following statements best summarize the above information about rainforests?

A
The majority of the planet’s oxygen is generated from the rainforest.
B
Two-thirds of all plants originated from the rainforest.
C
The rainforest is a major catalyst for the planet’s water cycle.
D
The rainforest is important to life as a whole on the planet.
17

This climate is considered tropical wet with temperatures between 68°F to 93°F and an annual precipitation of 50-260 inches. There is often a short season of less rain, or sometimes in areas with monsoon seasons, a short period of no rain. The soil contains very little nutrients because the trees quickly absorb all the nutrition out of the ground. A great amount of sunlight reaches the upper canopies, but very little sunlight filters down to the understory and forest floor. These are all characteristics of the _______ biome.

A
deciduous forest
B
alpine forest
C
rainforest
D
savanna
18

Which of the following is not true regarding the cacao tree?

A
It originated in the Amazon.
B
The cacao tree produces fruit all year long.
C
Cocoa is made from the whole cacao fruit.
D
The cacao fruit has a mango flavor.
19

The plentiful nature of resources in the tropical rainforest reduces competition for them.

A
T
B
F

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