EOG Day 3

Which oceanic zone do clams and crabs survive by burrowing in the sand?

• oceanic
• intertidal
• deep ocean
• open ocean

Scientists find dinosaur fossils on the bottom layer of a cliff and mammal fossils on a middle layer. What could best be concluded?

• dinosaurs ate plants
• dinosaurs were eaten by the mammals
• dinosaurs lived on earth before the mammals
• dinosaurs and mammals lived at the same time. 

Ten people become sick with the flu after attending a school dance. What is the scenario that best explains how they got sick?

• contact with environmental sources
• contact with an infected animal
• contact contaminated  object
• contact with an infected person

Which is the best way to help prevent the flu from becoming a pandemic?

• getting a vaccination
• taking antibiotics
• eating fruits and vegetables
• washing hands often

Which best explains the importance of nitrogen in the cycling of energy and matter?

• Nitrogen increases the protein production in plants
• nitrogen decreases protein production in plants
• nitrogen decreases the effectiveness of photosynthesis
• nitrogen increases the effectiveness of photosynthesis

Which is a way the agricultural biotechnology industry could have a positive impact on the environment?

• by producing crops that are virus resistant
• by making robots to replace large farm machines
• by reducing the need for countries to import food
• by increasing the use of wind farms that produce electricity

If wolves prey on deer for food, what will most likely happen to the deer population if wolves are removed from an area where deer live?

• the population of deer will increase
• the population of deer will decrease
• the population of deer will remain the same
• the population of deer will become extinct

Where do plants get most of the energy they need to live and grow?

• water
• soil
• air
• sunlight

Scientists think that dolphins and whales may have evolved from a common ancestor. What evidence supports this hypothesis?

• they swim the same way
• they eat the same food
• they live in the same area of the ocean
• they have similar anatomies

In the winter, the fur of the arctic fox is white. In summer, the fur darkens to a reddish brown. What most likely causes the fur of the fox to change color?

• the amount of sunlight present
• the fox's habitat
• the fox's genes
• the fox's age