Benchmark C Review

Approximately how many billion years ago did mammals appear according to the timeline?

• 5 billion years ago

• 4 billion years ago

• 1 billion years ago

• .25 billion years ago

Which group of organisms developed after single-cell organisms with nuclei?

• Photosynthetic organisms

• Arthropods and mollusks

• Dinosaurs

• Mammals

Which of the following statements are supported by the evidence described above?

• Roughly two percent of female elephants inherit the genes for tusklessness.

• Poachers kill many tusked elephants, which prevents many of them from reproducing.

• Elephants with the tusklessness genes make up a larger proportion of the population than they ordinarily would.

• All of the above.

In which country is Gorongosa National Park located, where tuskless elephants have been studied?

• Kenya

• Mozambique

• South Africa

• Tanzania

Which species showed a noticeable increase in population from 2018 to 2022 according to the graph?

RED: HERRING

YELLOW: SHAD

GREEN: ZEBRA

BLUE: OTHER MUSSEL SPECIES

• Zebra mussels

• Shad

• Herring

• Other mussel species

What is the primary role of energy in ecological interactions?

• To create new species

• To transfer and transform in food chains and food webs

• To eliminate predators

• To increase biodiversity

What is the total value of crop cash receipts in the United States as shown in the document?

• $276.3 billion

• $88.4 billion

• $61.4 billion

• $46.0 billion

In a grassland food web, which organism is a primary producer?

• Hyena

• Acacia

• Mongoose

• Aardvark

How many children did Queen Victoria have?

• Five

• Seven

• Nine

• Eleven

What does the evidence suggest about the evolution of the five species?

• The evidence alone supports the idea of a common ancestor.

• The evidence is one of several that supports the idea of a common ancestor.

• The evidence contradicts the idea of a common ancestor.

• The evidence is irrelevant to the idea of a common ancestor.