Question

Match column I with column II and choose correct option.

Answer 1

The pacific salmon fish spawn after they have migrated from the ocean to the upstream. After breeding, all pacific salmon fish die.

Oyster are fertile creatures that attain maturity in one year. Male oysters spawn by releasing sperms in the water, after detection of which, the female oyster releases eggs in the water and external fertilization takes place. Thus, producing a large number of off-springs.

Verhulst-pearl logistic growth is a sigmoid curve which refers to the growth of a population with limited resources showing a lag phase initially, followed by varying phases of increase and decreases and ultimately the population density reaching its carrying capacity.

Exponential growth is a J-shaped growth that increases at a consistent rate. If a population or species grows exponentially under unlimited resources, then it can reach high population densities in a short time.