Unit 1

Question 1

What are the 7 characteristics of living organisms

Answer 1

Movement
Respiration
Sensitivity
Growth
Reproduction
Excretion
Nutrition

Question 2

what is movement

Answer 2

an action by an organism causing a change in position or place

Question 3

what is respiration

Answer 3

the chemical reactions in cells that break down nutrient molecules and release energy for metabolism

Question 4

what is sensitivity

Answer 4

the ability to detect and respond to changed in the internal or external environment

Question 5

what is growth

Answer 5

permanent increase in size and dry mass

Question 6

what is reproduction

Answer 6

the processes that make more of the same kind of organism

Question 7

what is excretion

Answer 7

the removal of the waste products of metabolism and substances in excess of requirement

Question 8

what is nutrition

Answer 8

the taking in of materials for energy growth and development

Question 9

how can organisms be classified into groups

Answer 9

through the features they share

Question 10

what are species

Answer 10

group of organisms that can reproduce to produce fertile offspring

Question 11

what is binomial nomenclature

Answer 11

the system of naming species where the scientific name of an organism is made up of two parts(genus and species)

Question 12

What are the main groups of vertebrates

Answer 12

mammals,birds,reptiles,amphibians,fish

Question 13

main groups of arthropods

Answer 13

myriapods,insects,arachnids,crustaceans

Question 14

Main features of mammals

Answer 14

have hair/fur
warm blooded
most are born alive
young are fed milk by the mother

Question 15

main features of birds

Answer 15

warm blooded
forelimbs modified to wings
hard shelled eggs

Question 16

main features of reptiles

Answer 16

bodies covered with scales
cold blooded
fertilize eggs internally
have at least one lung

Question 17

main features of amphibians

Answer 17

moist skin
rely on cutaneous respiration
unshelled eggs

Question 18

main features of fish

Answer 18

cold blooded
gills to breathe
fins for movement

Question 19

the 5 kingdoms

Answer 19

animal
plant
fungus
prokaryote
protoctist

Question 20

Features of monocots

Answer 20

single cotyledon
pollen with single furrow or pore
flower parts in multiples of 3
major leaf veins parallel

Question 21

features of dicots

Answer 21

2 cotyledons
pollen with 3 furrows
flower parts in multiples of 4 or 5
major leaf veins reticulated

Question 22

features of crustaceans(crabs,prawns)

Answer 22

2 main body parts
5-7 pairs of legs
extra strong exoskeleton

Question 23

features of arachnids(spiders,scorpions)

Answer 23

2 body parts
4 pairs of legs
mouth parts with pincers
no antennae

Question 24

features of myriapods(centipedes and millipedes)

Answer 24

many body segments
many pairs of legs
1 pair of antennae
have long thin bodies

Question 25

Features of insects(ants,butterflies,bees)

Answer 25

the biggest group of invertebrates
3 body segments
3 pairs of legs
1 pair of antennae
many have wings

Question 26

why are viruses classified as non living

Answer 26

they do not carry out MRS GREN and require a host cell to multiply

Question 27

features of viruses

Answer 27

singular strand of DNA/RNA

protected by protein coat with spikes

Question 28

what can the animal kingdom then be split into

Answer 28

vertebrates and arthropods

Question 29

what are arthropods

Answer 29

invertebrates
Crustaceans
Arachnids
myriapods
insects

Question 30

what is the plant kingdom split into

Answer 30

flowering and non flowering plants

Question 31

what are flowering plants then divided into

Answer 31

monocotyledons and dicotyledons