Biology chapter 1

Question 1

what is an organism

Answer 1

a living thing

Question 2

what is movement

Answer 2

the ability for an organism to change place

Question 3

what are the seven characteristics of an organism

Answer 3

M-Movement

R-Respiration

S-Sensitivity

G-Growth

R-Reproduction

E-Excretion (optional)

N-Nutrition

Question 4

what is a common ancestor

Answer 4

a animal thought to give life to multiple spiecies today

Question 5

what is a species

Answer 5

a group of organisms that can reproduce to produce fertile offspring

Question 6

fertile or infertile

Answer 6

fertile-able to reproduce infirtle-not able to reproduce

Question 7

whats a Dichotomous key

Answer 7

a way of identifying organisms by working throughout pairs of statements thats lead s it to its name

Question 8

what is a kingdom

Answer 8

one of the major groups wich all organisms are classified into

Question 9

what is an organic substance

Answer 9

a substance whos molecules contain carbon

Question 10

what is organic substances made by

Answer 10

living organisms

Question 11

what is chlorophyl

Answer 11

a green pigment that absorbs energy from light, the energy is used to combined carbon dioxide with water to make glucose

Question 12

what is cellulose

Answer 12

a carbohydrate wich makes up the plant cell wall

Question 13

what are the 5 kingdoms

Answer 13

Animal, Plant, fungus, prokaryote, protoctist

Question 14

what is a fungus

Answer 14

an organism whos cells have cell walls but does not photosynthesise

Question 15

what is a prokaryote

Answer 15

an organism that doesnt have a nucleus

Question 16

what is a protoctist

Answer 16

singled celled organism

Question 17

what is hyphae

Answer 17

microscopic threads

Question 18

what are decomposers

Answer 18

organisms that break down organic substance from other species, releasing nutrients that other organims can use

Question 19

what are spores

Answer 19

very small groups of cells surrounded by a prtective wall. used in reproduction

Question 20

what is multicellular

Answer 20

an organism made up of multiple cells

Question 21

what is unicellular

Answer 21

an organism made up of a singular cell

Question 22

what are vertabraes

Answer 22

animals that have a backbone

Question 23

what are amphibians

Answer 23

organisms that live on land but still rely on water for breeding

Question 24

what is metamophisis

Answer 24

changing from a larva with one body form to an a
adult with a different body form e.g. frogs

Question 25

what are mamals

Answer 25

animals that have hair

Question 26

what is an arthropod

Answer 26

an animal with jointed legs, no backbone and a waterproof exoskelleton

Question 27

what is an exoskeleton

Answer 27

a skelleton on the outside of the body

Question 28

what is terrestrial

Answer 28

living on land

Question 29

what is vestigial

Answer 29

a description of a structure that has evolved to become so small that it is no longer useful

Question 30

what are crustateans

Answer 30

they are athropds with more than 4 jointed legs and to pairs of antennai

Question 31

what are arachnids

Answer 31

they are also arthropods but no antennae and their body is devided into two parts

Question 32

what are myriapods

Answer 32

many similar segments and each segment has jointed legs and they have one pair of antennae

Question 33

what are dicotyledons

Answer 33

you should of known this