Which of the following BEST describes why the process of evolution is easier to study in fruit flies than in birds?

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Question 1

 

What is biological evolution?

 

the development of traits that organisms need in order to become more complex

 

gene changes in populations over many generations

 

the change that occurs in individuals as they try to survive in their environment

 

the steps by which the first life was created on earth from random molecules

 

 

 

Question 2

 

Which of the following BEST describes why the process of evolution is easier to study in fruit flies than in birds?

 

Fruit flies have a much shorter generation time than birds.

 

Fruit flies are smaller than birds.

 

Fruit flies have a simpler diet than birds.

 

Fruit flies do not live as long as birds.

 

 

 

Question 3

 

Which of the following groupings is the MOST appropriate according to the classification system developed by Linnaeus?

 

Group 1: whale, giant fruit bat, giant walking stick (an insect); Group 2: penguin, ostrich, human; Group 3: hummingbird, bee, water strider bug

 

Group 1: penguin, ostrich, hummingbird; Group 2: water strider bug, giant walking stick (an insect); Group 3: whale, human, giant fruit bat

 

Group 1: hummingbird, ostrich, bee; Group 2: whale, human, penguin; Group 3: giant walking stick (an insect), water strider bug, giant fruit bat

 

Group 1: penguin, water strider bug, whale; Group 2: ostrich, giant walking stick (an insect), human; Group 3: hummingbird, bee, giant fruit bat

 

 

 

Question 4

 

Polar bears from the Arctic do not produce offspring with the speckled bear of South America due to:

 

temporal isolation.

 

gamete incompatibility.

 

behavioral isolation.

 

spatial isolation.

 

 

Question 5

 

Which of the following statements BEST describes the current knowledge about Earth’s biodiversity?

 

It is relatively common for scientists to discover new or fossil organisms that are completely different from other organisms.

 

Most species that have existed on Earth are alive today.

 

There is uncertainty about the diversity within various species.

 

Scientists generally agree that most species have been identified.

 

 

 

Question 6

 

Put the following in order of most inclusive to specific.

 

Species

 

 

Domain

 

 

Kingdom

 

 

Phyla

 

 

Genus

 

 

uestion 7

 

Match the following terms to the definition or example. Not every definition will be used.

 

Animalia

 

Bacteria

 

Viruses

 

Protista

 

Fungi

 

A.

nonliving microbes

B.

most diverse kingdom

C.

eukaryotic, multicellular organisms such as mushrooms

D.

eukaryotic, multicellular organisms such as mammals

E.

prokaryotes such as E. coli

F.

eukaryotic, multicellular organisms that make their own food

 

 

 

Question 8

 

Match the following terms to the definition or example. Not every definition will be used.

 

Diatoms

 

Cnidaria

 

Tapeworm

 

Earthworm

 

Arthropods

 

Vertebrates

 

Plants

 

Algae

 

Yeast

 

Mold

 

A.

Only protists that produce their own food

B.

Parasitic flatworms

C.

Single cells that produce a glass shell

D.

Provide drugs like aspirin and digitali

E.

Animals without backbones

F.

One of the most commercially important fungal forms

G.

Produces the flavor of cheese

H.

Jellyfish and corals

I.

Shrimp, insects, crabs, and spiders

J.

Segmented worms

K.

Animals with backbones

 

 

Question 9

 

Consider what you have learned about natural selection and mutation concerning health issues like TB and head lice, and apply it to pesticide use and farming. Explain what is meant by a “pesticide treadmill” and why it is a concern to farmers and consumers.

 

Your response should be at least 200 words in length.