A mayor difference between plants and animals is that
there is free movement in animals while this is limited in plants
there is indefinite growth in animals only
animals consume inorganic materials as food, while plants consume organic materials
animals give up carbon-dioxide as a waste product of respiration while plants do not
Correct answer is A
No explanation has been provided for this answer.
The group mollusca is characterized by the presence of
jointed appendages
star-shaped bodies
backbones
Soft, non-segmented
Correct answer is D
No explanation has been provided for this answer.
Which of the following groups embraces the rest?
Class
Kingdom
Phylum
Species
Correct answer is B
No explanation has been provided for this answer.
The theory of evolution by natural selection was first put forward by
Aristotle
Darwin
Linnaeus
Boyle
Correct answer is B
No explanation has been provided for this answer.
Which of the following is not included in the theory of natural selection?
struggle for existence
offspring show variation
inheritance of adaptive structures
disappearance of functionless organs
Correct answer is D
No explanation has been provided for this answer.