Chapter 10: Biodiversity III - Human Body Systems (homework)

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

How many of the animal phyla include single-celled animals?

0

What do sharks have in common with goldfish?

A lateral line system

Which of the following is not a primate?

All are primates.

Which of the following features are used to identify chordates?

All of the above are features used to identify chordates.

What is the main difference between amphibians and reptiles?

Amphibians are tied to water for reproduction, while reptiles have amniotic eggs that can survive on dry land.

Serial repetition of segments is a defining characteristic of which worm phylum?

Annelids

To which group do orangutans belong?

Anthropoid apes

What defines radial symmetry?

Any plane of symmetry passing through the center of the organism splits it into equal halves.

Which arthropod subgroup includes the spiders?

Arachnids

Which of the following is human's closest living relative?

Chimpanzees

Humans belong to which subgroup of mammals?

Eutherians

Which one of the following is a defining characteristic of animals but not of plants?

Heterotrophic

The earliest hominin to use fire was __________.

Homo erectus

What characterizes terrestrial tetrapods?

Lives on land, has four limbs

What is the function of a fish's operculum?

Protects the gills

They are bilaterally symmetrical and have a soft body sometimes covered with a shell.

Roundworms

Which of the following best describes sponges?

They are asymmetrical, lack tissues, and do not move

Which of the following best describes mollusks?

They are bilaterally symmetrical and have a soft body sometimes covered with a shell.

Which of the following best describes cnidarians?

They have radial body symmetry, tissues, and stinging cells.

A newly-recognized species called an "olinguito" was first announced to the public in 2013. The olinguito is found in high Andean forests, has reddish-orange fur, and is active mostly at night. Females give birth to one baby at a time. Olinguito young are born as full size embryos. The new species appears to be the smallest member of the raccoon family. This newly recognized species is a(n) __________.

eutherian

Being a heterotroph means ________.

obtaining your food by eating other organisms

The animal phyla can be divided into three separate clades based on what character?

the symmetry of the body

Worms all appear to be closely related but have distinct evolutionary histories, resulting in the classification of worms into ________ phyla.

three


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