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Science T2 > Study > Flashcards

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1
Q

What is the spontaneous generation

A

The idea that living things could spontaneously arise from non-living matter.

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2
Q

What is the anthers job

A

To produce male sex cells (pollen grains)

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3
Q

What is the job of the carpel

A

The female reproductive part of the flower

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4
Q

What is the job filament

A

A stalk-like structure that supports the anther

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5
Q

What is the job of the ovule

A

Develops into a seed after fertilizations

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6
Q

What is the job of the ovary

A

To produce female sex cells (eggs)

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7
Q

What is the petal

A

May be brightly colored to attract insects

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7
Q

What is the job of the sepal

A

They protect the flower when its still a bud

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8
Q

What is the job of the stamen

A

The male part of a flower consisting of an anther held up on a filiment

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9
Q

What is the job of the stigma

A

The top of the female part of the flower which is sticky so pollen grains stick to it

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10
Q

What is the job of the style

A

The tube connecting the stigma to the ovary

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11
Q

Adaptation of the anther

A

Wind- outside flower and loose on long filaments

Insect-inside flower , stiff and firmly attatched

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12
Q

Adaptation of the petal

A

Wind-small and dully colored

Insect-large and brightly colored

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13
Q

Adaptation of pollen

A

Wind-smooth and light

Insect-sticky or spiky

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14
Q

Adaptation of Stigma

A

Wind-outside flower and feathery

Insect-inside flower and sticky

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15
Q

Definition of asexual reproduction

A

Reproduction involving only one parent that produces genetically identical offspring (clones)

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16
Q

Definition of sexual reproduction

A

Reproduction which female and male gametes fuse at fertilizations to produce offspring that are generically different to the parents

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17
Q

Definition of fertilization

A

The fusion of male and female gametes.

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18
Q

Definition of gametes

A

A male or female sex cell

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19
Q

Definition of nectar

A

A sugary liquid which attracts pollinating insects to a flower

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20
Q

Definition of nectar

A

A sugary liquid which attracts pollinating insects to a flower

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21
Q

Definition of menstruation

A

The process of releasing blood and tissue from the lining of the uterus as part of the menstrual cycle

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22
Q

Definition of egg/ova

A

The female sex cell produced by the ovaries

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23
Q

Definition of puberty

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A

The period of time when a person becomes sexually mature. It causes physical changes that affect males and females differently

24
Definition of sperm
The male sex cell produced by the testes
25
Definition of ovulation
The release of a mature egg cell from an ovary
26
Seminal vesicle
Adds fluid to sperm
27
Prostate gland
Adds fluid to sperm
28
Epididymis
Coiled tube where sperm mature
29
Testes
Organs that produce the sperm
30
Scrotum
Sac that holds the testes outside the abdominal cavity
31
Vas deferens
Tube that carries sperm from the testes to the urethra
32
Urethra
Tube which both semen and urine can flow out of
33
Cervix
Part of the uterus that keeps it closed while a baby is developing
34
Ovary
Organ that produce the eggs (ova)
35
Fallopian tube
Tubes which the egg passes on its way to the uterus and where fertilizations occurs
36
Uterus
Organ in which the baby grown and develops
37
Vagina
Organ that allows the penis to be inserted to deposit sperm, it also acts as the birth canal
38
Red blood cell adaption
Biconcave shape to give it a large area for the diffusion of oxygen
39
Muscle cell structure and function
Contains bands of protein that change shape to contract and relax
40
Root hair structure and function
Cilia (hair like structures) to waft the egg down the fallopian tube
41
Sperm structure and function
Tail like structure and lots of mitochondria to release energy for movement
42
Palisade cell structure and function
Contains lots of chloroplasts for photosynthesis
43
Cell wall
Protects and supports the plant cell
44
Chloroplast
To photosynthesize to produce glucose
45
Cytoplasm
The nutrition rich fluid which other organelles are found
46
Vacuole
Large storage vesicle used for storing water , nutrients and helps keep the cell rigid
47
Golgi apparatus
Folds and packages proteins and sends them to the correct location
48
Mitochondria
Converts energy from food into usable form that all ports of the cell can use
49
Endoplasmic Reticulum
Transports proteins and other substances around the cell
50
Cell membrane
Determines which substances can enter and exit the cell
51
Nucleus
Control centre of the cell , where DNA is located
52
Nucleolus
Makes ribosomes
53
Ribosomes
Makes proteins
54
Centrioles
Structures that aid in cell division
55
Lysosome
Gets rid of waste from the cell
56
Why don't animals need chloroplasts
The function of chloroplasts is to photosynthesise to produce glucose. Animal cells do not need to undergo the process of photosynthesis
57
The modern cell theory
All living things are made up of cells The cell is the basic structure and function unit of all living things All cells come from pre-existing cells through cell division

Science T2 (3 decks)

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