Organization and Development of Living Organisms

Many animals have a skeletal system that gives support to their bodies. Anthropods also have parts that provide support. Which part of a anthropods functions most like the skeletal system of animals?

• gill

• exoskeleton

• root

• stem

Vertebrates..

• an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.

• animals that do not have a backbone. Some have soft bodies, like worms, slugs and jellyfish. Other invertebrates, like insects, spiders and crustaceans, have a hard outer casing called an exoskeleton.

• a column of bones in the back enclosing and protecting the spinal cord

• an external "shell" that maintains body shape.

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Exoskeleton...

• an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.

• animals that do not have a backbone. Some have soft bodies, like worms, slugs and jellyfish. Other invertebrates, like insects, spiders and crustaceans, have a hard outer casing called an exoskeleton.

• a column of bones in the back enclosing and protecting the spinal cord

• an external "shell" that maintains body shape.

Tags

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Which organ in the fish is most similar to the human respiratory system? 

• the fins

• the gills

• the skin

• the swim bladder

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Samson spotted an animal in his yard that he had never seen before. It was lying on top of a pile of eggs. He could also tell that the animal's skin was tough and scaly. Based on this information, what kind of vertebrate was Samson most likely looking at?

• an amphibian

• a bird

• a mammal

• a reptile

The scales of fish and the feathers of birds are both made from the same protein, called keratin. What is another characteristic birds and most fish share?

• Both are animals that lay eggs

• Both are animals that have teeth

• Both are animals that have cold blood.

• Both are animals that care for their young

Plants have stems that function to provide support. This organ in plants is most similar to which of the following in humans?

• the heart

• the intestine

• the skeleton

• the skin

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In what way are ferns different from flowering plants that produce seeds?

• The stems of ferns are woodier than the stems of seed producing flowers

• Ferns spread by underground runners rather than scattering seeds from flowers

• The leaf of a fern does not include structures to move nutrients through the plant

• Ferns reproduce using spores rather than seeds produced by most flowering plants

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Which organ in the fish is most similar to the human respiratory system?

• the fins

• the gills

• the skin

• the swim bladder

Tags

NGSS.MS-LS4-2

The poison dart frog and the red"bellied piranha are two dangerous animals that live in the Amazon in South America. What structure do both of these animals have in common?

• backbone

• beak

• gills

• scales

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