AnswersAISD-Biology B CR 25-26Relationships between Organisms

Relationships between Organisms Answers

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1
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A food chain flows from blueberry bushes, to mice, to owls, and finally to bobcats.Which organism is the secondary consumer?

A
bobcats
B
blueberry bushes
C
mice
D
owls
2
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Which option correctly shows the flow of energy from left to right in a food chain?

A
sunflower → robin
B
human → potato
C
lizard → grass
D
ladybug → tomato
3

How does energy travel in an ecosystem?

A
from consumers to producers
B
from producers to consumers
C
from tertiary consumers to primary consumers
D
from secondary consumers to primary consumers
4

Which is one characteristic of producers?

A
They recycle nutrients.
B
They do not eat other organisms.
C
They break down waste for energy.
D
They use other organisms for energy.
5

What role does a lion play in an ecosystem?

A
decomposer
B
producer
C
predator
D
prey
6

Which is one characteristic of consumers?

A
They create all usable food energy.
B
They make their own food.
C
They may eat plants and animals.
D
They obtain their energy from the Sun.
7

A food chain in an ecosystem flows from green algae, to freshwater snails, to small fish, and finally to large fish.Which organism is the primary consumer?

A
large fish
B
small fish
C
green algae
D
freshwater snails
8

A cow is eating green grass that grows in a field.Which type of organism is the grass in this scenario?

A
consumer
B
decomposer
C
prey
D
producer
9

A human ingests a tapeworm. The tapeworm lives in the human's intestines and absorbs nutrients, preventing the human from receiving vital nutrition.Which type of organism is the tapeworm?

A
decomposer
B
host
C
parasite
D
predator
10

A snake catches and eats a small field mouse. Later that day, a hawk catches the snake and eats it.Which three terms describe the snake?

A
consumer, predator, prey
B
parasite, predator, producer
C
predator, producer, consumer
D
prey, parasite, producer

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