In a food chain, energy does NOT flow directly from-
A) Producer to decomposer
B) Consumer to producer
C) Producer to herbivore
B) Consumer to producer
100
Which of the following lists only consumers?
A) Hawks, lizards, chipmunks
B) Acorns, squirrels, rabbits
C) Grass, chipmunks, eagles
A) Hawks, lizards, chipmunks
100
Define "Food Chain" in your own terms.
Sample:
The path of food energy from one organism to another in an ecosystem.
100
TRUE or FALSE:
Ecosystems have organisms that depend on nonliving things.
TRUE
100
What might be some results of a forest fire spreading in a city's forest?
A) The people in the city might die because of fire spreading
B) Most organisms in the forest experience habitat loss
C) The plants in the forest migrate to other places
B) Most organisms in the forest experience habitat loss
200
How can you tell which organisms eat other organisms and which are eaten?
A) The way the arrow goes, the energy flows
B) The way the energy doesn't go, the energy flows
C) The arrows have no part in the food chain
A) The way the arrow goes, the energy flows
200
In what order do a hawk, grass, and rabbit form a food chain in a meadow?
A) Hawk->grass->rabbit
B) Rabbit->grass->hawk
C) Grass->rabbit->hawk
C) Grass->rabbit->hawk
200
Define "Food Web" in your own terms.
Sample:
Overlapping food chains with different pathways for the flow of food energy in an ecosystem.
200
Plants are interacting directly with another living element of their environment when they are ________.
A) Soaking up water
B) Absorbing sunlight
C) Attracting insects
C) Attracting insects
200
Which of the following depicts a harsh environmental change?
A) A family went on a picnic and left a milkshake
B) Two people carved their names in a tree
C) Home builders started to build in a forest
C) Home builders started to build in a forest
300
What is the original source of energy in a food web?
A) Decomposers
B) Producers
C) The Sun
C) The Sun
300
A food chain is a series of relationships between members of an ecosystem so that _________ can be transferred between them.
A) Food
B) Sunlight
C) Energy
C) Energy
300
Define "Habitat" in your own terms.
Sample:
The environment where an organism lives.
300
What role does a rock play for a lizard in an ecosystem?
A) Provides a resting place for them to warm up in the sun
B) It is food to eat
C) Provides good company
A) Provides a resting place for them to warm up in the sun
300
TRUE and/or FALSE:
An environmental change can affect the whole world!
TRUE and FALSE
It can affect the whole world IF it is that dangerous and can spread easily (i.e. global warming).
400
How many consumers can there be in a food chain?
A) 1, because only one consumer can eat a plant.
B) 2, because there are primary and secondary consumers.
C) There's no limit!
C) There's no limit!
400
Here's a food web of the domestic ecosystem: The grass is eaten by the crickets and rabbits; the crickets and rabbits are eaten by the snakes and raccoons; the snakes are eaten by the eagles and hawks. How many omnivores were listed?
2 omnivores were listed.
400
Define "Ecosystem" in your own terms.
Sample:
All the living and nonliving things that interact with each other in an environment.
400
Which of the following is an example of something that is abiotic?
A) A flower
B) A rock
C) Mushrooms
B) A rock
400
Fresh water is a precious resource. People build __________ across rivers to create _________ of fresh water.
A) Water and dams
B) Dams and reservoirs
C) Pollution and floods
C) Pollution and floods
500
an two consumers eat a producer in a food chain?
A) Yes
B) No
C) Maybe
B) No
500
Part of a food web consisted of: cricket eating grass; bird eating cricket; cat eating bird. Suppose if the bird population died out. What would be some possible results? Explain.
Samples:
- the cat population would decrease w/ lack of food
- the crickets would overpopulate
- everything would DIE!
500
Define "Niche" in your own terms.
Sample:
The role that an organism plays in its habitat.
500
Which of the following statements best describes a decomposer?
A) They are abiotic and they only eat producers they are biotic
B) They consume other biotic things for energy
C) They are biotic and they break down dead material
C) They are biotic and they break down dead material
500
Which of the following is the best example of an environmental change?
A) A forest fire is started after people go camping
B) A tornado sweeps through a country
C) A person spills soda on the ground
A) A forest fire is started after people go camping