An old man is likely to be long-sighted because age affects the
optic nerves
retina
ciliary muscles
cornea
aqueous humour
Correct answer is B
No explanation has been provided for this answer.
In a tropical rain forest, non-epiphytic ferns and allies occur as
middle story species
upper story species
shade-loving species
emergent species
Correct answer is C
No explanation has been provided for this answer.
The mammalian endocrine system is responsible for?
transmitting impulse
regulating body temperature
regulating osmotic pressure of blood
chemical co-ordination
the manufacture of blood
Correct answer is D
Endocrine glands release hormones into the bloodstream. This lets the hormones travel to cells in other parts of the body.
The endocrine hormones help control mood, growth and development, the way our organs work, metabolism , and reproduction.
it is produced by green plants during photosynthesis
it is produced during respiration of animals
it is absorbed inn ocean water
green plants release it during the day
Correct answer is B
No explanation has been provided for this answer.
primary consumer has more energy than the primary poducer
secondary consumer takes up all the energy contents of the primary consumer
energy is shared equally between the three groups of organism
secondary consumer gets only a small portion of the energy contained in the primary producer
Correct answer is D
No explanation has been provided for this answer.