cells, systems and organisms Flashcards

animal cells, kingdoms and classification plant cells, microscopes, organs and organ systems

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1
Q

how many kingdoms are there

A

5

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2
Q

what does the M in MRS GREN stand for

A

Movement

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3
Q

what do the 2 Rs in MRS GREN stand for

A

resperation and reproduction

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4
Q

what does the S in MRS GREN stand for

A

sensitivity

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5
Q

what does the G in MRS GREN stand for

A

growth

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6
Q

what does the E in MRS GREN stand for

A

excretion

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7
Q

what does the N in MRS GREN stand for

A

nutrition

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8
Q

what two catagories is the animal kingdom split up into

A

vertebrate and invertebrate

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9
Q

what are the 5 families within the vertibrate catagory

A

mammal, reptile, fish, bird, amphibian

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10
Q

is an otter a mammal or an amphibian

A

a mammal

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11
Q

is a shark a mammal or a fish

A

a fish

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12
Q

is a kingfisher a reptile or a bird

A

a bird

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13
Q

what does the nucleus do

A

hold DNA and provide the cell with instructions

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14
Q

what is a cell

A

the tiniest building blocks that make up an organism.

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15
Q

what is cytoplasm

A

a jelly like substance where chemical reactions take place

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16
Q

what does mitochondria do

A

releases energy (aerobic respiration)

17
Q

what do the ribosomes do

A

make protiens for the body

18
Q

what does the cell membrane do

A

controls what substances enter and exit the cell

19
Q

what part of a plant cell contains cell sap

A

the vacuole

20
Q

what part of a plant cell contains a green pigment

A

the chloroplast

21
Q

true or false: photosynthesis happens in the vacuole

A

false, it happens in the chloroplast

22
Q

what does the cell wall do

A

provides support and structure for the cell

23
Q

do animal cells have cell vacuoles

A

no, only plant cells do

24
Q

what is a unicellular organism

A

organisms that are made of only one cell

25
Q

what are the 3 substances that the cell membrane lets into a cell

A

oxygen, water and glucose

26
Q

what is the food vacuole

A

an area within the cell where food that has been taken up can be stored for later use

27
Q

what is the contractile vacuole

A

an organelle which allows the cell to remove excess water that has entered the cell

28
Q

what is the cillia and where is it found

A

found on the cell membrane and helps the cell to move

29
Q

give 2 examples of unicellular organisms

A

amoeba, protozoa, paramecium, euglena

30
Q

what gas does the cell membrane let out

A

carbon dioxide

31
Q

which of the processes known as MRS GREN involves releasing energy from food

A