Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Life Science Semester 2 Exam

Total questions: 50

Worksheet time: 4hrs 10mins

Name
Class
Date
1.

Determine is the following would be Primary or Secondary succession:

Forest Fires or Floods

a)

Primary

b)

Secondary

c)

Both

2.

Determine whether or not the following is Primary or Secondary succession:

Glaciers and Volcanoes

a)

Primary

b)

Secondary

c)

Both

3.

Determine is the following would be Primary or Secondary succession:

Shrubs and small animals

a)

Primary

b)

Secondary

c)

Both

4.

Is the following environmental impact more likely to be long-term or short-term?

The environmental impact of mining includes erosion, loss of biodiversity,

contamination of soil and water.

a)

Long-term

b)

Short-term

5.

Is the following environmental impact more likely to be long-term or short-term?

Due to several days of downpours the rivers have overflowed their banks causing

localized flooding.

a)

Long-term

b)

Short-term

6.

Use the graph to answer questions about the tolerance of water bugs to

pollution.

If you find no insects at all in a pond or stream, what can you conclude?

a)

Water is very clean

b)

Water has several resources available

c)

Water is very polluted

7.

Which of the following is a characteristic of long-term environmental impact?

a)

Impact last five years or less

b)

Affects organisms immediately

c)

Affects subsequent generations

8.

Based on the model, which consumers would

receive the greatest amount of energy

captured by the producers in their food chains?

a)

Beluga Whale

b)

Polar bear and Artic hare

c)

Ptarmigan and Artic bumblebee

d)

Lichens and Shrubs

9.

Which in the apex predator in this energy pyramid?

a)

Ptarmigan

b)

Polar Bear

c)

Lichens

d)

Beluga Whale

10.

Which trophic level has the greatest amount of energy to use?

a)

Producers

b)

Primary Consumers

c)

Secondary Consumers

d)

Tertiary Consumers

11.

Where do most producers get their energy?

a)

Soil

b)

Decomposers

c)

Sun

d)

Garbage

12.

10. Organisms who produce their own food are called ____________.

a)

Heterotrophs

b)

Herbivores

c)

Carnivores

d)

Autotrophs

13.

These organisms exist within every trophic level giving nutrients back to the soil.

a)

Producers

b)

Decomposers

c)

Apex predators

d)

Autotrophs

14.

A position that an organism occupies based on what it eats is called a ______ _______.

a)

Trophic Level

b)

Photosynthesis

c)

Chemosynthesis

d)

Heterotroph

15.

Living or organic matter is called _________.

a)

Autotrophs

b)

Heterotrophs

c)

Decomposers

d)

Biomass

16.

The process though which plants make their own food is called ______________.

a)

Heterotroph

b)

Autotroph

c)

Producer

d)

Photosynthesis

17.

Organisms that eat dead organisms and returns the nutrients to the soil are called _________________.

a)

Producers

b)

Decomposers

c)

Biomass

d)

Consumer

18.

These organisms get energy from the sun and make their own food.

a)

Heterotroph

b)

Biomass

c)

Consumer

d)

Producer

19.

These organisms only consume meat/other organisms.

a)

Herbivores

b)

Insectivores

c)

Omnivores

d)

Carnivores

20.

These organisms will consumer both plants and other organisms

a)

Herbivores

b)

Insectivores

c)

Omnivores

d)

Carnivores

21.

What relationship would a frog and insects have?

a)

Predator/Prey

b)

Parasite/Host

c)

Consumer/Producer

22.

What type of symbiotic relationship would a dog and a human have?

a)

Mutualistic

b)

Commensalistic

c)

Parasitic

23.

What type of symbiotic relationship would a remora and a shark have?

a)

Mutualistic

b)

Commensalistic

c)

Parasitic

24.

What type of symbiotic relationship would a human and head lice be?

a)

Mutualistic

b)

Commensalistic

c)

Parasitic

25.

What relationship best describes a cow and a human.

a)

consumer/consumer

b)

consumer/producer

c)

parasite/host

26.

Whos is the scientist credited with the discovery of natural selection?

a)

Charles Darwin

b)

Isaac Newton

c)

Robert Hooke

27.

Why did the giraffe develop a long neck?

a)

To avoid predators

b)

To reach higher for available food

c)

To have a better view

28.

What type of animal did Darwin study?

a)

Finches

b)

Worms

c)

Iguanas

29.

Sharks are colored white on the underside and blue or gray on top. How is this trait an advantage for them?

a)

It keeps them warmer in the cold water, as the darker coloration attacks the sun rays.

b)

It allows them to stay camouflaged on top by looking like the water,

and on the bottom by looking like the light on the surface.

30.

Which of the following is a characteristic of natural selection?

a)

Causes adaptations to occur

b)

Controlled by humans

c)

Shows changes quickly, within 1-2 generations

31.

______________ is the variety of life found on Earth.

a)

Genetics

b)

Traits

c)

Biodiversity

d)

Species

32.

____________ diversity is the variation in genes within a species.

a)

Biodiversity

b)

Genetic

c)

Species

d)

Selective

33.

______________ diversity refers to the number of species and abundance of each species in a particular location.

a)

Genetic

b)

Biodiversity

c)

Species

34.

The location with the greatest number of species is close to the equator is the _________________.

a)

Artic

b)

Rainforest

c)

Savannah

d)

Dessert

35.

_______________ diversity refers to the ways that species interact with each other and their environment.

a)

Genetic

b)

Species

c)

Ecological

36.

The muscular system works directly with the __________ system to allow the body to move.

a)

Skeletal

b)

Digestive

c)

Endocrine

d)

Excretory

37.

The digestive system is a group of organs working together to

a)

Turn food into nutrients for energy and growth

b)

Break down food into smaller peices

c)

Add bile to the food in the stomach

d)

Push food through the system

38.

The circulatory system works most closely with which other system?

a)

Respiratory

b)

Excretory

c)

Digestive

d)

Nervous

39.

Genetics is the study of _________.

a)

Body Systems

b)

Cell Division

c)

Heredity

d)

Sexual Reproduction

40.

On a Punnett square two capital letters indicate a gene which is_________.

a)

Homozygous dominant

b)

Homozygous recessive

c)

Heterozygous

41.

Genetic variation occurs in what type of reproduction?

a)

Asexual

b)

Sexual

c)

Both

42.

These are the basic building blocks of all living things.

a)

DNA

b)

Cells

c)

Genes

d)

Chromosomes

43.

This part acts like the brain of the cell.

a)

DNA

b)

Genes

c)

Chromosomes

d)

Nucleus

44.

Half of these come from one parent and half come from the other parent.

a)

Genes

b)

DNA

c)

Chromosomes

45.

_______________ __________________ is known as the “father of modern genetics.

a)

Charles Darwin

b)

Robert Hooke

c)

Anton van Leeuwoenhoek

d)

Gregor Mendel

46.

_________________ is the reverse of photosynthesis, turning sugars back into carbon dioxide.

a)

Carbon Cycle

b)

Respiration

c)

Decomposition

d)

Subduction

47.

Carbon enters the soil through

_________________ of organic matter by

microorganisms.

a)

Respiration

b)

Photosynthesis

c)

Decomposition

d)

Chemosynthesis

48.

Organic matter buried over millions of years form deposits of coal and oil that we call

a)

Renewable Resources

b)

Nonrenewable resources

c)

Fossil Fuels

d)

Limestone

49.

______________ is the process where organisms turn carbon dioxide, water, and energy into sugars.

a)

Chemosynthesis

b)

Photosynthesis

c)

Respiration

50.

Which of the following natural occurrences release carbon dioxide into the atmosphere?

a)

Volcanoes

b)

Hot Springs

c)

Tectonic Uplift

d)

All of the above