interactions

Question 1

what is a population

Answer 1

many of the same type of animal living in the same place

Question 2

what is a community

Answer 2

different populations of organism living together and interacting together

Question 3

what is an organism

Answer 3

its alive

Question 4

how can population sizes increase & decrease

Answer 4

increase

• organisms reproduce
• organisms move into surroundings

decrease

• organisms die
• organisms move away from surroundings
• birth rate drops
• got smth like covid

Question 5

waht is a habitat

Answer 5

place where organisms live

-cuz got everything they need–> water, air, food, shelter & space

Question 6

e.g. of habitat

Answer 6

pond, forest, rotting log, pile of leaves, garden, seashore, drain.

Question 7

y some organisms cannot live in another habitat

Answer 7

living conditions diff–> adapted?

Question 8

e.g. of artificial habitats

Answer 8

zoo enclosure, aquarium, terrariums, HERBarium

Question 9

y r populations in habitat interdependent

Answer 9

how animal pop depend on plant pop

• shelter & protection
• places to lay egg/hide young
• food
• O2 frm photosynthesis

how plant pop depend on animal pop

• pollinate flowers
• disperse seeds & fruits
• animal waste as fertilisers

Question 10

pop of organisms that live in a pond community(PLANTS ONLY)
(organisms that live in water & on land near pond)
- list at least 4

Answer 10

• duckweed
• water hyacinth
• water lettuce
• water lily
• cat tail
• arrowhead
• water lotus
• elodea
• hydrilla
• cabomba

Question 11

pop of organisms that live in a pond community(ANIMAL ONLY)
(organisms that live in water & on land near pond)
- list at least 4

Answer 11

• bird
• dragonfly
• damselfly
• froggie
• pond skater
• water boatman
• water cricket
• fish
• tadpole
• dragonfly nymph
• damselfly larva
• water spider

Question 12

pop of organisms that live in a pond community(fungi & microorganisms)
- list at least 1 for each

Answer 12

fungi

• bracket fungi
• toadstool

microorganisms

• algae
• amoeba

Question 13

features of a leaf litter community

Answer 13

very dark warm, damp, with little air movement –> very good for fungi and bacteria and animals

Question 14

organisms in a leaf litter community

Answer 14

• earthworm
• ant
• snail
• millipede
• grasshopper
• beetle
• centipede
• spider
• lizard
• fungi
• bacteria

Question 15

what is the interaction of the earthworm, ant, snail, millipede and grasshopper in the leaf litter community

Answer 15

• it feeds on leaf litter, breaking it down into smaller pieces so it is easier for fungi and bacteria to grow on.
• eaten by other animal populations.

Question 16

what is the interaction of the spider and lizard in the leaf litter community

Answer 16

feed on other animal populations such as earthworms, ants and grasshoppers.

Question 17

what is the interaction of fungi and bacteria in the litter leaf community

Answer 17

• feeds on litter leaf by digesting it as they grow on it

- make the leaf litter softer and easier for some animal populations to eat

Question 18

what is the interaction of the beetle in the litter leaf community

Answer 18

• feeds on leaf litter or on microorganisms and small insects
• eaten by lizard and spider population

Question 19

what is the interaction of the centipede in the leaf litter community

Answer 19

feeds on the millipede population

Question 20

true/false

leaf litter community can be part of the field community.

Answer 20

true

Question 21

list examples of plant pop in field community (list at least 3)

Answer 21

• cupid’s shaving brush
• vernonia
• lalang
• mimosa
• love grass
• kyllinga

Question 22

list examples of animal pop that lives in soil in field community (list at least 2)

Answer 22

• termite
• earthworm
• woodlouse
• ant
• beetle

Question 23

list examples of animal pop that lives among plants in field community (list at least 3)

Answer 23

• grasshopper
• snail
• butterfly
• spider
• bee
• lizard
• grass snake

Question 24

list examples of plant pop in a garden community (list at least 3)

Answer 24

• trees
• spider lily
• cow grass
• rain tree
• pong pong tree
• bird’s nest fern
• dandelion

Question 25

list examples of fungi pop in a garden community (list at least 1-2)

Answer 25

• toadstool
• mushroom
• moulds

Question 26

list examples of animal pop in a garden community (list at least 3)

Answer 26

• sparrow
• earthworm
• butterfly
• squirrel
• centipede
• grasshopper
• millipede
• birdy

Question 27

features of a forest community

Answer 27

• very big

- tree community, single plant community, rotting log community, leaf litter community are part of a forest community.

Question 28

features of a rotting log community

Answer 28

it is still being digested by fungi and bacteria

Question 29

what is the interaction of the spider, lizard, and wood scorpion in a rotting log community?

Answer 29

feeds on other animal pop

Question 30

what is the interaction of the fungi and bacteria in the rotting log community?

Answer 30

• feeds on leaf litter by digesting it as they grow on it

- make log softer and easier for some animal pop to make their homes in

Question 31

what is the interaction of the earthworm, termite, slug and the millipede in the rotting log community?

Answer 31

• feeds on wood of rotting log, breaking it down into smaller pieces or making tunnels within it, so that it is easier for fungi and bacteria to grown on
• eaten by other animal pop

Question 32

what is the interaction of the centipede in the rotting log community?

Answer 32

feeds on millipede pop

Question 33

true/false

seaweed is plant

Answer 33

false

seaweed is algae

Question 34

list examples of animal pop in a seashore community (list at least 3)

Answer 34

• crab
• clam
• coral
• snail
• sea star
• sea urchin
• mudskipper
• mussel
• anemone
• jellyfish

Question 35

list examples of plant pop in a seashore community (list at least 1)

Answer 35

• turtle grass
• bushy pondweed
• mosses