5 Questions
How do fish breathe?
Through their gills
What is the most common fish in the ocean?
Any of the species of a deepwater fish
How do fish swim?
By contracting their muscles
What can fish become toxic from?
Elements in their diets
What happens to fish when they start to deteriorate?
They have a strong odor
Study Notes
- Fish are vertebrates and have a backbone.
- Fish breathe air and some can swim backwards.
- Fish swim by contracting their muscles in sequence on alternate sides of their bodies.
- Fish range in size from the tiny goby to the whale shark.
- The most common fish in the ocean is any of the species of a deepwater fish.
- Fish live in different lengths of time, depending on their species.
- Fish can swim at different speeds, some of which are very fast.
- Fish need oxygen to breathe and cannot chew their food, so they must swallow it whole.
- Most fish are edible, but some are poisonous.
- Fish can become toxic because of elements in their diets.
- Fish have a strong odor when they start to deteriorate.
- If fish are caught with artificial lures, most will survive.
Test your knowledge of fish with this quiz covering a variety of interesting facts about these aquatic vertebrates, including their behavior, characteristics, and ecological roles.
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