Science term 3

Question 1

what is a ectotherm

Answer 1

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

Question 2

what is endotherm

Answer 2

animals that generate their own heat these are mammals and bird

Question 3

what is prokaryotes

Answer 3

they have free floating DNA and are things like bacteria

Question 4

what is a eukaryote

Answer 4

they have a true nucleus

Question 5

what are the different eukaryotes categories

Answer 5

animals, protists, fungi, plants

Question 6

what are the different animal categories

Answer 6

invertebrates and vertebrates

Question 7

what’s another way to say vertebrate

Answer 7

chordates

Question 8

what are the different vertebrates

Answer 8

reptiles, birds, amphibians, mammals fish

Question 9

How do we classify different mammals

Answer 9

by there reproductive methods

Question 10

what are the different reproductive methods of mammals

Answer 10

placental, monotremes, marsupials

Question 11

what’s a ecosystem

Answer 11

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

Question 12

what does abiotic mean

Answer 12

non-living factors in the environment

Question 13

what does biotic mean

Answer 13

living factors in the environment

Question 14

what does Interdependence

Answer 14

depending one each other for survival

Question 15

what is a producer

Answer 15

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

Question 16

what are decomposers

Answer 16

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

Question 17

what is intraspecific

Answer 17

Competition between organisms of the same species

Question 18

what is interspecific

Answer 18

Competition between different species

Question 19

what is a structural adaption

Answer 19

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

Question 20

what is a physiological adaption

Answer 20

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

Question 21

what is a behavioural adaption

Answer 21

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

Question 22

name the 3 symbiotic relationships what they are

Answer 22

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

Question 23

if there is more prey what happens to the predators

Answer 23

there is more predators and prey decreases

Question 24

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

Answer 24

there is less prey