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Science term 3 Flashcards

(24 cards)

1
Q

what is a ectotherm

A

animals that body temperature changes with the weather, these are reptiles amphibians fish

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2
Q

what is endotherm

A

animals that generate their own heat these are mammals and bird

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3
Q

what is prokaryotes

A

they have free floating DNA and are things like bacteria

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4
Q

what is a eukaryote

A

they have a true nucleus

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5
Q

what are the different eukaryotes categories

A

animals, protists, fungi, plants

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6
Q

what are the different animal categories

A

invertebrates and vertebrates

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7
Q

what’s another way to say vertebrate

A

chordates

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8
Q

what are the different vertebrates

A

reptiles, birds, amphibians, mammals fish

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9
Q

How do we classify different mammals

A

by there reproductive methods

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10
Q

what are the different reproductive methods of mammals

A

placental, monotremes, marsupials

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11
Q

what’s a ecosystem

A

All the living things in an area and the way they affect each other and the environment

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12
Q

what does abiotic mean

A

non-living factors in the environment

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13
Q

what does biotic mean

A

living factors in the environment

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14
Q

what does Interdependence

A

depending one each other for survival

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15
Q

what is a producer

A

they are plants and are at the bottom of the food chain

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16
Q

what are decomposers

A

they break down dead and decaying organisms and it becomes fertilizer for more plants

17
Q

what is intraspecific

A

Competition between organisms of the same species

18
Q

what is interspecific

A

Competition between different species

19
Q

what is a structural adaption

A

a adaption of the organisms physical body e.g. sharp claws, powerful muscles camouflaged fur, long neck

20
Q

what is a physiological adaption

A

an internal process or chemical reaction e.g. poison/venom, hibernation, colour-changing pigments, silk production, milk production

21
Q

what is a behavioural adaption

A

how an organism acts or behaves e.g. stalking prey, mark territory, courtship dance, nocturnal, fighting for dominance, migration, close petals at night

22
Q

name the 3 symbiotic relationships what they are

A

parasitism(-/+), commensalism(+/o) mutualism(+/+)

23
Q

if there is more prey what happens to the predators

A

there is more predators and prey decreases

24
Q

if the predator population is more than what happens to the prey

A

there is less prey