Which of these animals is radially symmetrical?
squid
Hydra
Snail
Cockroach
Correct answer is B
No explanation has been provided for this answer.
Which of the following organ pairs is located in the anterior half of the mammalian body cavity?
Kidneys and lungs
Heart and ovary
Lungs and heart
Kidneys and heart
Correct answer is C
No explanation has been provided for this answer.
the tank was too small compared to the large ocean
the body cells of the fish swelled and burst as a result of the hypotonic fresh water
the body cells of the fish shrank as their sap was hypertonic to the fresh water
there was no food in the tank, so it starved.
Correct answer is B
No explanation has been provided for this answer.
The capture and digestion of insects by a pitcher plant is a special form of nutrition termed
autotrophic
heterotrophic
chemosynthetic
saprophytic
Correct answer is B
No explanation has been provided for this answer.
The presence of an endoskeleton is characteristic of
invertebrata
vertebrata
insecta
coelenterata
Correct answer is B
No explanation has been provided for this answer.