Inherited Traits, Ecosystem

Fertilizers used on farms near the coast can be carried to the ocean when runoff occurs during rain showers. These fertilizers can decrease the populations of fish and shellfish.

Which other populations most likely decrease as a result?

• Organisms that eat algae

• Organisms that live on farms

• Organisms that eat fish and shellfish

• All of these

Which three statements describe an animal interacting with a living part of the environment?

CHOOSE THREE ANSWERS

• Statement 1

• Statement 2

• Statement 3

• Statement 4

• Statement 6

The student thinks that parts of Texas are probably similar to the Serengeti. Based on the following descriptions, which of these Texas animals would be LEAST likely to live in the Serengeti’s grassland.

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Which of these describes one or more living organisms that depend on another living organism to survive?

• An angelfish releasing carbon dioxide into pond

• Bacteria living in the mouth of a horse

• Mold living on a hard rocky surface

• Ivy plants growing up a fence to obtain more sunlight.

Which type of organism should replace the X in the food web?

• An omnivore

• a herbivore

• a carnivore

• a producer

A zookeeper sets up a habitat for a certain species of rabbit. Which answer choice describes the rabbit as it interacts with two nonliving parts of the rabbit's habitat?

• The rabbit breathing air while running down a rocky path

• the rabbit licking its fur while feeding its young

• the rabbit hiding under plants from loud noises

• The rabbit nibbling on vegetation inside the habitat

A student observes the following:

1. A fire ant digging a tunnel in sandy soil

2. A blue jay drinking water from a puddle

3. A bee collecting pollen from a flower

4. A hawk circling in the air over a tree

Which of these living organisms was interacting with another living organism?

• Fire ant

• Blue jay

• Bee

• Hawks

Which animal’s food sources most likely increased after the mall opened?

• Snakes, squirrels, and raccoons

• Squirrels only

• Snakes, squirrels, and deer

• Raccoons only

What is an instinct?

• Characteristics passed from parents to offspring.
• A natural behavior that an organism inherits.
• A behavior that an organism obtains from experiences.

A dog rolls over and receives a treat. The dog rolls over again. This is an example of...

• learned behavior
• adaptive behavior
• inherited behavior
• instinctive behavior