please and thank you, for ecology. 1. DQuestion 32 1 pts Species that reproduce

Question

please and thank you, for ecology.

1.

DQuestion 32 1 pts Species that reproduce only once are known as: Iteroparous Semelparous OQuasiparous D Question 33 1 pts The fundamental niche of a species is based solely on O abiotic condition abiotic and biotic factors combined O dispersal potential O biotic interactions Question 34 1 pts A set of spatially isolated populations linked by dispersal of individuals is known as a DQuestion 35 1 pts occurs when a species is added to or removed from a community and causes a change in abundance of organisms in all other trophic levels. O Trophic cascade Trophic transition O Keystone event O Alternate state

Explanation / Answer

32. Semelparous.

Semelparous organisms reproduce only once in their lives.

33. Abiotic condition

Fundamental niche of a species is based only on abiotic factors whereas realized niche is based on both biotic and abiotic factors.

34. Metapopulation

a set of spatially isolated populations linked by dispersal of individuals is known as a metapopulation.

35. Trophic cascade

A trophic cascade occurs when a species is added to or removed from a community and causes a change in abundance of organism in all other trophic levels.

Example when a predator is added, the number of prey decreases and the following trophic levels get affected.

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