Food Webs and Trophic Cascades

Quiz
•
Science
•
10th Grade
•
Easy
+2
Standards-aligned
Lisa Thompson
Used 1+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An interconnected web that represents the flow of energy (and what eats what) through an ecosystem, is referred to as a?
trophic level
trophic cascade
food web
food chain
Tags
NGSS.MS-LS2-3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following describes the broader consequences or side-effects when a certain species that usually helps to keep the entire ecosystem balanced is reduced or removed.
trophic level
trophic cascade
food web
keystone species
Tags
NGSS.MS-LS2-4
3.
DRAG AND DROP QUESTION
1 min • 2 pts
A (a) is casused by an animal at the top of the food chain and it affects every other organism. When an (b) is removed from a food chain it upsets the (c) of the whole ecosystem.
trophic cascade
apex predator
balance
Tags
NGSS.MS-LS2-4
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What is a tropic cascade?
an ecological process triggered by the removal or addition of a top predator that causes changes throughout the food chain.
an ecological process triggered by the removal or addition of a top predator that causes no changes throughout the food chain.
an ecological process triggered by the removal or addition of a vegetation that causes no changes throughout the food chain.
an ecological process triggered by the removal or addition of a primary consumer that causes changes throughout the food chain.
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-4
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Trophic cascades refer to...
impacts that reach beyond adjacent trophic levels.
impacts that reach the adjacent trophic level.
impacts that reach only one trophic level.
impacts that reach the top trophic level
Tags
NGSS.MS-LS2-2
NGSS.MS-LS2-3
NGSS.MS-LS2-4
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
How do the predators have a positive impact on the vegetation?
Since the predators eat the herbivores they eat the producers
Since the predators eat the herbivores and keep that population in check so they do not over eat the vegetation
The predators do not eat the vegetation so it is a positive impact
The predators eat the vegetation keeping it in control
Tags
NGSS.MS-LS2-1
NGSS.MS-LS2-3
NGSS.MS-LS2-4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A keystone species that is a critical food source for predator populations and increases the diversity of predators in an environment. For example, krill. This is referred to as a?
keystone predator
keystone prey
keystone ecosystem engineer
keystone plant
Tags
NGSS.MS-LS2-1
NGSS.MS-LS2-2
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