
Bio CFA 2 Review

Interactive Video
•
Science
•
10th Grade
•
Easy
Davida Walls
Used 1+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a food chain, which organisms are considered primary consumers?
Organisms that produce their own food.
Organisms that eat producers.
Organisms that eat primary consumers.
Organisms at the very top of the food chain.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If producers in an ecosystem have 90,000 kilocalories of energy, how much energy would be available to secondary consumers?
90,000 kilocalories
9,000 kilocalories
900 kilocalories
90 kilocalories
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a food web where birds eat grasshoppers and certain plants, if the bird population significantly decreases, what is a likely immediate effect on the grasshopper population?
The grasshopper population would decrease due to increased competition.
The grasshopper population would increase due to fewer predators.
The grasshopper population would remain unchanged.
The grasshopper population would migrate to a new area.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary role of decomposers like bacteria and fungi in a food web?
To produce their own food using sunlight.
To consume living plants and animals.
To break down dead organic matter and return nutrients to the ecosystem.
To compete with apex predators for food sources.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of ecological relationship exists between a bat that roosts in a pitcher plant for shelter and the pitcher plant that receives nitrogen from the bat's waste?
Parasitism
Commensalism
Mutualism
Predation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which process converts atmospheric nitrogen gas into ammonia and ammonium, making it usable for organisms?
Nitrification
Ammonification
Denitrification
Nitrogen Fixation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What biological process utilizes carbon dioxide from the atmosphere as an input to produce glucose and oxygen?
Cellular Respiration
Decomposition
Photosynthesis
Fermentation
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The burning of fossil fuels by human activities primarily contributes to which environmental concern?
Habitat destruction
Introduction of invasive species
Overharvesting
Greenhouse gas emissions
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