5th Grade Science
Organisms that make their own food.
Producers.
Consider this food chain: grass=> grasshopper=> mouse => snake Which organism is an herbivore?
Grasshopper
A predator is an organism in any ecosystem that consumes ___________.
Prey.
Which type of organism is a fungus? A) carnivore B) omnivore C) herbivore D) decomposer
D) Decomposer
This is what an herbivore eats.
Producers or plants.
A network of food chains that have some links in common.
Food Web
True or False
rocks, water, and dirt are biotic things
False
A certain type of bear mainly eats trout. If the trout population declines, what will most likely happen to the bear population?
It will decrease
Which of the following is a biotic resource of an ecosystem? (a) Sun (b) Water (c) Tree (d) Rock
c. Tree
A diagram that shows the flow of energy from one organism to another.
Food Chain
What is the source of all energy in an ecosystem
a. producers b. consumers
c. decomposers d. sun
d. Sun
What is one thing that non-living things don't give us?
a. food b. air c. water d. sunlight
a. Food
How does energy flow through ecosystems?
a. Consumers → producers → decomposers → the Sun
b. The Sun → consumers → producers → decomposers
c. The Sun → producers → consumers → decomposers
d. Producers → the Sun → decomposers → consumers
c. The Sun → producers → consumers → decomposers
Organisms that eat other organisms.
Consumers.
Which best describes grasses, shrubs, and trees?
a. producers b. consumers
c. decomposers d. scavengers
a. Producers
An organism that eats both plants and animals.
Omnivore
Consider the food chain: grass=> grasshopper=> frog=> snake. What would happen in the ecosystem if the grasshopper population died? A) snakes would eat the grasshopper B) it would be fine, frogs prefer other insects anyway C) it would be fine, the grass population would increase D) the frog population would die from the decrease in their food supply
D) the frog population would die from the decrease in their food supply
An organism that eats only meat.
Carnivore
Why are decomposers important organisms in a food web? A) They produce oxygen. B) They prey on carnivores. C) They are food for producers D) They return nutrients to the soil
D) They return nutrients to the soil
Consider this food chain: blackberries=> bird=> cat Which organism is the carnivore?
Cat
A small fish will eat other smaller fish, or algae from a lake. It is known as an ___
Omnivore
Which of the following is an abiotic factor?
a. Sun b. Rain
c. Soil d. All of these are abiotic factors
Organisms that break down dead organic material.
Decomposers.
Where do producers get energy?
The Sun
Biotic things are:
a. Living b. Non- Living c. Natural things
d. Sand
a. Living