Classifying Life

Question 1

biology

Answer 1

Study of living organisms.

Question 2

biologists

Answer 2

People who study living organisms.

Question 3

characteristics

Answer 3

Features of living organisms that can be observed and measured

Question 4

movement

Answer 4

The moving of all or part of the body or organism.

Question 5

reproduction

Answer 5

The process by which living organisms make more of themselves (either through sexual or asexual reproduction).

Question 6

sensitivity

Answer 6

The ability of organisms to be aware of and respond to their surroundings.

Question 7

growth

Answer 7

Getting bigger by gaining more cells or biomass

Question 8

respiration

Answer 8

The control release of energy in food for use by the cells of an organism.

Question 9

excretion

Answer 9

The removal of waste products from the cells or body of an organism.

Question 10

nutrition

Answer 10

The food needed for the survival of an organism

Question 11

evaluate

Answer 11

Work out what is good and what is not

Question 12

controlled variable

Answer 12

Variable that is not changed during an investigation.

Question 13

hybrids

Answer 13

Offspring of two different species. They are usually infertile.

Question 14

species

Answer 14

Group of organisms which similar characteristics that reproduce to give fertile offspring.

Question 15

invertebrates

Answer 15

Animals without backbones.

Question 16

vertabrates

Answer 16

Animals with backbones.

Question 17

Arthropods

Answer 17

Invertebrates with hard outer skeletons and jointed legs

Question 18

insects

Answer 18

Group of arthropods with three body segments, six legs and pair of antennae.

Question 19

arachnids

Answer 19

Group of arthropods which all have eight legs

Question 20

crustaceans

Answer 20

Group of arthropods with at least 10 legs

Question 21

myriapods

Answer 21

Group of arthropods with long, segmented bodies and one or two pairs of legs on each segment.

Question 22

echinoderms

Answer 22

Invertebrate group with spiny skins that are often star or ball shaped

Question 23

molluscs

Answer 23

Invertebrate group with muscular bodies and no legs, but may have tentacles. Often have a shell inside or outside their bodies.

Question 24

worms

Answer 24

Invertebrate group with no legs and long bodies, which may be round, flat, or segmented.

Question 25

Cnidaria

Answer 25

Invertebrates that all live in the sea, and have no legs and stinging tentacles around their mouths.