A body cavity which separates the gut from the outer body is called a
The sponge has
no nervous system
Bilaterally symmetrical animals
All of the choices are correct.
Check ALL of the following characteristics of animals.
longest migration of any animal; pole to pole each year
migrate to and from hibernation sites
these animals migrate to remain in warmer waters
over 1 million animals migrate perpetually to find food an
Which of the following is NOT a type of innate behavior?
A newly hatched chick pecks at a red dot on its mother's bill. This is an example of a
Fixed Action Pattern
Innate behavior is _.
A genetically determined behavior.
When an animal learn
What is unique about the feeding habits of the humpback whale?
they trap fish using a net of bubbles
Which of the following distinguishes between seals and sea lions?
one group has external ear flaps, the other does not.
Resident killer whales eat
It is always the _ jawfish who incubates the egg(s).
Males and females have different mating strategies because
a. sperm are more plentiful than eggs.
Which of the following types of fertilization is more efficient?
a. internal fertilization
The difference between natural and accelerated extinction is:
accelerated extinctions happen at a greater rate due to human influence.
Hunting for sport:
In the honeybee society
females do all of the work.
mate with the queen.
Number 4 represents
a. secondary consumers
b. primary consumers
d. tertiary consumers
The correct answer is: producers
All plankton are microscopic.
The correct answer is: False