H

Question 1

Handling time

Answer 1

How long it takes a consumer to harvest, process, eat and possibly digest a food item.

Question 2

Hazard

Answer 2

A substance, env agent or condition with a potential to cause harm.

Question 3

Heterocysts

Answer 3

Specialised cells in which anaerobic conditions are maintained and where nitrogen fixation occurs in organisms such as Cyanobacteria.

Question 4

Holistic

Answer 4

An approach to studying an ecosystem that states that the system is merely more than just the sum of its parts or components and that the system exhibits properties that cannot be reduced to those of its components.

Question 5

Homeostatic

Answer 5

The maintenance of a stable equilibrium through feedback processes.

Question 6

Host

Answer 6

A species that provides habitat and/or resources for a second species.

Question 7

Hydraulic lift

Answer 7

The vertical movement of water within a soil profile driven by gradients in soil water potential and facilitated by plant roots.

Question 8

Hypertrophic (hypereutrophic)

Answer 8

A body of water with very high levels of nutrient input

Question 9

Hysteresis

Answer 9

A delayed response to a change in environment.