Biodiversity and Classification

Question 1

Polymorphism

Answer 1

A locus that has two or more alleles

Question 2

Climate change

Answer 2

A significant long term change to an area’s climate, like temperature or rain fall.

Question 3

Ecosystem

Answer 3

All the organisms living in an area and all the non living conditions. Organisms in an ecosystem are interdependent as they depend on one another to survive.

Question 4

Keystone species

Answer 4

Many other species depend and without which the ecosystem would change dramatically.

May be predators, to keep the population in check. E.g. wolf prey on elk

Modifiers- maintaining the environment needed for the ecosystem e.g. beavers building dams

Or hosts like palm trees

Question 5

Endangered species

Answer 5

Species which are at risk of extinction because of a low population or threatened habitat.

Question 6

Classification

Answer 6

The act of arranging organisms into groups based upon their similarities and differences.

Question 7

Taxonomy

Answer 7

The study of classification

Question 8

Prokaryotae

Answer 8

bacteria

prokaryotic, unicellular, no nucleus

less than 5 micro meters

Question 9

Protoctista

Answer 9

Algae

Eukaryoti, usually live in water, single celled or simple multicellular organism

Question 10

Fungi

Answer 10

Yeasts and mushroom

Eukaryotic, chitin cell wall

Saprotrophic (absorb substances from dead or decaying organisms)

Question 11

Plantae

Answer 11

Mosses

eukaryotic, multicellular, cell walls, photosynthesise

Autotrophic (produce own food)

Question 12

Animalia

Answer 12

Mammals fish

eukaryotic, multicellular, no cell walls

heterotrophic (consume plants and animals)