A climax community is characterized by
a stable composition of plant and animal species
rapid changes in the composition of species
constant changes in appearance of the habitat
different species occurring at different times
gradual change in animal population
Correct answer is A
No explanation has been provided for this answer.
Which of the following is not an adaptation of plants or animals to desert environments?
Well developed tap root system
Small leaves with thick Epidermis
Stems with spike-like leaves
uric acid as metabolic waste in some animals
Broad leaves for storage
Correct answer is E
No explanation has been provided for this answer.
Which of the following water pollutants may contain organisms that cause dysentery?
Pesticides
Sewage
Industrial wastes
Fertilizers
Crude oil
Correct answer is B
No explanation has been provided for this answer.
transpiration
digestion
excretion
respiration
decay
Correct answer is B
No explanation has been provided for this answer.
Which of the following explains the term: pyramid of numbers?
The number of organisms in a trophic level
The relationship between plants in different trophic levels
The number of saprophytes and parasites in a habitat
The number of predators in a habitat
Progressive decrease in the number of individuals from lower to higher trophic level
Correct answer is E
No explanation has been provided for this answer.