Both. You can use it as singular or plural.
Answer:
The correct option is C.
Explanation:
There are three modes of heat conduction, these are conduction, convection and radiation. Heat transfer by conduction usually involves the movement of heat through solid substances. For instance, in the scenario given in this question, the warm surface is the solid substance through which heat is passed to the insects' bodies. Thus, conduction requires direct contact.
Heat transfer by convection method usually involves the movement of heat through liquids or gases while radiation can occur in vacuum.
Flying foxes disperse the Cycad seeds if the seed sometimes get swallowed whole.
Explanation:
- Cycads are gymnosperms they do not have seeds enclosed in fruit. Therefore the bats are not attracted to cycad fruit.
- If the bats were susceptible to neurotoxin then they must not have been the frequent feeders of cycad seeds. Biomagnification of neurotoxin in flying fox is a widely researched topic.
- Beetles do not have an association with these bats thus the bats must not be assisting them as important pollinating agents.
<span>I believe it is C.
Waste is removed through a designated opening.</span>
The species is the correct answer in the question above. For they have the ability to interbreed even though they are isolated from other organisms. They are called or termed of two organisms that has the ability to produce another specie or offspring after they mated.