wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Biodiversity Review

Total questions: 16

Worksheet time: 10mins

Name
Class
Date
1.

Scientists who study taxonomy are called

a)

botanists

b)

paleontologists

c)

systematists

d)

zoologists

2.

The Five Kingdom classification system was used until the invention of

a)

the microscope

b)

DNA sequencing

c)

genes

d)

the scientific method

3.

Species in the kingdom Plantae use photosynthesis & cannot move.

a)

True

b)

False

4.

A scientist is trying to classify a new organism. It's a microorganism. It is prokaryotic, and reproduces through binary fission. It was found living in a hydrothermal vent. What is the best classification for the organism?

a)

Virus

b)

Arachae

c)

Eukarya

d)

Bacteria

5.

If the number of algae in the ocean decreases by 50%, the population of its consumers, goby fish, will INCREASE TO ITS CARRYING CAPACITY.

a)

True

b)

False

c)

Not enough information to tell

6.

A population references __________ species while community references _________ species in an area.

a)

one, all

b)

all, one

c)

some, all

d)

all, some

7.

A riverbed is home to many organisms, including trout, bears, and some small animals. This is an example of a(n)

a)

population

b)

community

c)

ecosystem

d)

species

8.

Consider the following scenario:

Every year, the desert has a hot season. The little water that was available is no more scarce. Some organisms are unable to tolerate the increased temperature, so they have to move to other locations to survive.

Which word can best be used to describe this scenario?

a)

predation

b)

disturbance

c)

biodiversity

d)

damming

9.

Which situation is an example of interspecific competition?

a)

maple tree seedlings competing for sunlight

b)

a snake and fox hunting mice

c)

alligators hunting fish

d)

bacteria living in the human colon

10.

Which change would create a new ecosystem?

a)

a yearly migration

b)

an introduced species

c)

a lake freezing over

d)

a dam flooding a valley

11.

A stream runs through a mountain forest. Willow trees grow on each side of the stream. A small deer population feeds on the willows. Mountain trout rely on the willow shade for shelter. The apex predator in the forest is the mountain lion. Mountain lions eat deer, rodents, and fish, as well as other prey species.

Analyze the components of the ecosystem. What is the most likely outcome if the deer population increases?

a)

A new predator species will begin eating deer.

b)

The trout population will increase.

c)

The mountain lion population will increase.

d)

The mountain lion population will decrease.

12.

A light disturbance in an ecosystem could include

a)

a tree falling over from a thunderstorm.

b)

filling in and paving over a lake for a parking lot.

c)

a volcanic eruption.

d)

cutting down a forest for wood manufacturing.

13.

What is the carrying capacity of rotifers when living with water fleas?

a)

0

b)

500

c)

1500

d)

1000

14.

Severe weather events can create ecological disturbances, which can impact biodiversity. Which is an example of a severe ecological disturbance?

a)

hurricane

b)

a tree falling after a thunderstorm

c)

a mild thunderstorm

d)

a windy day

15.

What are the characteristics of invasive species?

a)

eat a wide variety of food

b)

only eat one type of food

c)

breed often and has numerous offspring

d)

have few mating seasons and few offspring

16.

Lichen is important to establish a new ecosystem after an extreme disturbance because

a)

they convert sunlight to food

b)

they eat producers

c)

they outcompete other herbivores

d)

they decompose broken down materials