What is the term used to describe biotic and abiotic factors in the environment of the organism?
habitat
biome
ecosystem
ecological niche
Correct answer is C
An ecosystem consists of all the biotic and abiotic factors that influence that community.
The ability of chameleon to change its colour rapidly is an adaptation for
obtaining food
attraction mate
communication
escaping detection
Correct answer is D
No explanation has been provided for this answer.
Which of the following can cause shrinkage of living cells?
Deionized water
Hypotonic solution
Isotonic solution
Hypertonic solution
Correct answer is D
No explanation has been provided for this answer.
In which of the following does external fertilization take place?
toad
lizard
bird
cockroach
Correct answer is A
External fertilization is a mode of reproduction in which a male organism's sperm fertilizes a female organism's egg outside of the female's body. Many fish, amphibians, and other sexual aquatic animals use external fertilization (the exceptions are aquatic mammals, sharks, and some other special types of fish).
The movement response of a cockroach away from a light source is
negative phototaxism
positive phototaxism
negative phototropism
postive phototropism
Correct answer is A
No explanation has been provided for this answer.