inland aquatic environment/ terrestrial environment/ The future

Question 1

trophogenic (euphotic) zone

Answer 1

In this zone the production of biochemical energy through photosynthesis is greater than its consumption through respiration and decomposition.

Question 2

tropholytic zone

Answer 2

Being The Deeper Part Of A Lake In Which Dissimilation Of Organic Matter Tends To Predominate.

Question 3

river continuum concept

Answer 3

Concept that as water flows rapidly from shady headwater streams with much coarse plant debris, and passes through reaches of higher order to become sluggish lowland streams, there is a change in the functional feeding groups of invertebrates (shredders, collectors, scrapers, predators). (see also nutrient spiralling)

Question 4

biome

Answer 4

Climatically determined group of plants and animals spread over a wide area.

Question 5

keystone species

Answer 5

A species present in small numbers, but essential for the persistence of many other species in the community.

Question 6

biodiversity

Answer 6

a. Genetic variation within organisms. b. Range of species in an environment. c. Full spectrum of the world’s ecological communities and their associations with the physical environment.

Question 7

conservation biology

Answer 7

A new, integrated science that attempts to conserve biodiversity, developed in response to the human-induced, world-wide wave of habitat destruction and extinction

Question 8

extinction

Answer 8

Disappearance of a population or species from a given habitat.