Worksheetsecosystems
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
True or False:
The stomata is found on the underside of a leaf. It allows Carbon Dioxide to enter, takes in oxygen and releases excess oxygen and water.
The stomata is found on the underside of a leaf. It allows Carbon Dioxide to enter, takes in oxygen and releases excess oxygen and water.
a)
True
b)
False
2.
Examples of how humans negatively affect local ecosystems are
a)
Building dams, deforestation (cutting down trees), adding point sources to nearby streams to allow for run-off, building roads and structures, and salting roads.
b)
Creating laws to prohibit fishing from local streams.
c)
Planting trees and other plants to attract native species.
d)
Removing non-native species from the environment.
3.
Which represents the largest group in a food web?
a)
carnivores
b)
omnivores
c)
herbivores
d)
producers
4.
Water is an example of...
a)
Biotic Factor
b)
Abiotic Factor
5.
On a food web, which way should the arrows point?
a)
Toward the prey
b)
Toward the predator
c)
Toward the sky
d)
Toward the sun
6.
Which of the following is a biotic factor in a forest?
a)
soil
b)
rocks
c)
acorns
d)
carbon dioxide
7.
Which group of organisms makes up the largest part of the energy pyramid?
a)
producers
b)
consumers
c)
decomposers
8.
Which organisms eat other living organisms to survive?
a)
producers
b)
consumers
c)
decomposers
d)
scavengers
9.
What are interconnected food chains called?
a)
consumers
b)
predators
c)
food web
10.
What are all members of one kind of organism that live in a particular area?
a)
population
b)
microrganisms
c)
community
d)
environment
100 %
