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WorksheetsChapter 3 Review
Total questions: 9
Worksheet time: 5mins
An indicator species
tells scientists what other types of animals can be found in an area.
is the same thing as an invasive species.
provides scientists with signals about the health of an ecosystem.
is the top predator in an ecosystem.
Which of the following is not a function of saltwater marshes?
to offer a safe habitat for young animals
to remove the salt and create fresh water habitats for plants and animals
to prevent flooding
to shield coastlines from severe storms
The finches of the Galápagos Islands
evolved different types of beaks that were suited for eating different types of foods.
were slowly becoming extinct when Darwin was conducting his research there.
evolved from different ancestors instead of one ancestor as Darwin believed.
did not support Darwin’s ideas about natural selection.
Number the following steps of mitosis in the correct order:
The cell membrane pinches in the middle and divides the cell into two pieces.
Chromatin condense to reveal pairs of chromosomes.
Each identical set of chromosomes moves toward opposite sides of the cell.
The nuclear membrane breaks apart.
Two new nuclear membranes form.
Centrosomes have been pushed to opposite sides of the cell.
Chromatin condense to reveal pairs of chromosomes.
Each identical set of chromosomes moves toward opposite sides of the cell.
The nuclear membrane breaks apart.
Two new nuclear membranes form.
New research indicates that the brains of adult human beings are (fixed, changeable). Underline the correct answer from the two choices you are given.
fixed
changeable
A cell spends the majority of its life in ( , ). Underline the correct answer from the two choices you are given.
interphase
cytokinesis
is when the solvent in a solution with low concentration flows toward a solution with high concentration. Underline the correct answer from the two choices you are given.
Osmosis
Diffusion
Cilia are hair-like structures that contain odor-sensitive . Underline the correct answer from the two choices you are given.
neurons
receptors
Breeding a species of plant that is resistant to disease is an example of selection. Underline the correct answer from the two choices you are given.
natural
artificial
