(e) In some species of reptile, the female keeps the fertilised eggs in her body until they areready to hatch. Suggest two advantages of having this adaptive feature.

If the birth rate of a population of dolphins is 2.0, the death rate is 0.5, and the population size is 100, what is this dolphin's population growth?

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia