WorksheetsSkill A Intro to Ecology
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Which scenario best represents an ecological interaction?
a)
A rock eroding due to wind exposure
b)
A lion hunting a zebra in the savanna
c)
The sun heating the Earth's surface
d)
A volcano erupting and forming new land
2.
In a freshwater lake ecosystem, which combination includes both biotic and abiotic components?
a)
Water, sunlight, temperature
b)
Fish, algae, aquatic insects
c)
Rocks, minerals, dissolved oxygen
d)
Algae, water, aquatic plants
3.
Consider an axolotl living in Lake Xochimilco. Which factor would be considered biotic in its habitat?
a)
The temperature of the water
b)
The dissolved oxygen in the lake
c)
The aquatic plants it uses for shelter
d)
The minerals in the sediment
4.
When do dead organisms stop being considered biotic factors?
a)
Immediately after death
b)
When they decompose and turn into individual components
c)
Only when they are completely fossilized
d)
They are always considered biotic
e)
Organisms are never biotic
5.
What is a habitat?
a)
A group of different populations living and interacting in the same area
b)
The role or function of an organism in its environment
c)
All the living and non-living things on Earth, including land, water, and the atmosphere
d)
The specific natural environment where an organism lives
6.
Which scenario best describes the research that a community ecologist would perform?
a)
Ecologists examine the effects of global climate change on various plant species around the world
b)
An ecologist observes the nesting habits of a single bald eagle in its natural environment
c)
A group of ecologists studies how bears, salmon, and pine trees interact within an Alaskan forest
d)
Ecologists analyze how changes in soil moisture and sunlight exposure impact wildflower growth in a prairie ecosystem
7.
Which scenario best describes the research that a population ecologist would perform?
a)
A team of ecologists studies the interactions between dolphins, fish, and seaweed in a coastal bay
b)
Ecologists monitor how increasing carbon dioxide levels affect tree growth in forests across North America
c)
Ecologists investigate how rainfall and soil nutrients influence the growth of desert plants in a specific region
d)
Ecologists record the number of bison living in a national park to track changes over the past decade
8.
A sheet of paper is biotic. –
a)
True
b)
False
9.
“All the living things and their physical environment within a given area” best defines
a)
a community.
b)
an ecosystem.
c)
the biosphere.
d)
a population.
10.
The place where an organism lives is called its ___________.
a)
community
b)
niche
c)
trophic level
d)
habitat
11.
Abiotic factors in an ecosystem may include which of the following? (Check all that apply.)
a)
light
b)
atmosphere
c)
plants
d)
temperature
12.
Ecology is the study of interactions between organisms and their environments.
a)
True
b)
False
13.
The group of organisms of one species that can be found in one area at a given time is a(n) _____________________.
a)
ecosystem
b)
community
c)
population
d)
trophic level
14.
You will be conducting a study of the interactions of vegetation, animals, mineral composition of the soil, and water levels in a saltmarsh. You are studying the saltmarsh
a)
population
b)
biosphere
c)
community
d)
ecosystem
15.
Fish, cattails, frogs, water lilies, dragonflies, and all the other living things in a pond make up a(n)
a)
population
b)
biosphere
c)
community
d)
ecosystem
16.
Which of the following is not an abiotic factor in an ecosystem?
a)
Sun
b)
Soil
c)
Tree
d)
Water
17.
The non living parts of an ecosystem
a)
abiotic factors
b)
biotic factors
c)
oxygen
d)
soil
18.
All of the different populations that live in a specific area.
a)
ecosystem
b)
habitat
c)
ecology
d)
community
19.
The place where an organism lives that provides it with shelter, food and water.
a)
ecosystem
b)
population
c)
community
d)
habitat
20.
All the members of one type of species in a specific area.
a)
habitat
b)
community
c)
population
d)
ecosystme
100 %
