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26 questions
Which three structures are found in both animal and plant cells?
nucleus, cell membrane, and cytoplasm
cell membrane, chloroplasts, and mitochondria
cytoplasm, a cell wall, and nucleus
nucleus, chloroplasts, and cell wall
Which cell structure is found in plant and animals cells and controls what can come into or leave a cell?
cell membrane
cytoplasm
nucleus
cell wall
What is the function of the nucleus?
to produce energy
to control cell activity
to remove waste products
to allow molecules to enter the cell
What is the function of a cell wall?
to protect and support the cell
to make food for the cell
to prevent water from passing through it
to prevent oxygen from entering the cell
This organelle directs all the cell's activities.
cytoplasm
chloroplasts
cell wall
nucleus
What are organisms that eat other organisms?
Consumers
Producers
Omnivores
Decomposers
______ are animals that eat both plants and animals
Producers
Consumers
Omnivores
Herbivores
Matter from dead organisms is broken down and consumed by organisms called ______________.
consumers
producers
carnivores
decomposers
The main source of energy for producers in an ecosystem is the sun.
True
False
Plants are a type of _________ because they make their own food.
decomposer
producer
herbivore
system
An __________ is a complex community made up of living and non living things.
system
environment
ecosystem
subsystem
Arrows on a food chain and food web show __________________________________.
the direction that the animals walk
the other animals favorite animal
the direction food (matter and energy) move
their allies
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