The following exist as free-living organisms except
Amoeba
Chlamydomonas
Euglena
Spirogyra
Correct answer is D
Spirogyra exist as filaments that occur in rows or chains.
The process by which organisms keep their internal condition relatively stable is called
metabolism
evolution
gametogenesis
homeostasis
Correct answer is D
Homeostasis is any self-regulating process biological systems use to maintain stability while adjusting to conditions that are optimal for survival.
Behaviour conditioning was described by
Felix Dujardin
Gregor Mendel
Ivan Pavlov
Mathias Schleiden
Correct answer is C
No explanation has been provided for this answer.
Which of these is not detected by the nerve endings of the skin?
cold
pain
pressure
weakness
Correct answer is D
No explanation has been provided for this answer.
An association between bacteria and root nodules of legumes is called
Commensalism
mutualism
parasitism
saprophytism
Correct answer is B
Mutualism is an association between two organisms that benefit each other.