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Biology > Biology Summer 2024 > Flashcards

Biology Summer 2024 Flashcards

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1
Q

Key Word: anther

A

sticky outy bit, produces and store pollen

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2
Q

Key Word: filament

A

supports anther

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3
Q

Key Word: petal

A

brightly coloured leaf like, to attract pollinators

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4
Q

Key Word: stigma

A

wear pollen lands during pollination

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5
Q

Key Word: style

A

connects ovary to stigma

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6
Q

Key Word: ovary

A

at bottom of style, where ovules are found

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7
Q

Key Word: ovules

A

female sex cell

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8
Q

Key Word: sepal

A

leaf like things below petal, protect bud

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9
Q

Key Word: stem

A

supports flower and transports water to it

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10
Q

What are the 2 types of Pollination?

A

Wind and Insect

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11
Q

Plant Fertilization

A

1) Pollen Grain Lands on Stigma
2)Pollen Grows Pollen Tube to egg cell (ovule) in ovary
3)Male Nucleus in Pollen joins Female nucleus in Egg cell. This is ferlisation
4) Zygote forms and then becomes an embryo surrounded by a testa (hard wall) found in a seed in a fruit

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12
Q

4 types of seed dispersion

A

1) Animals (eg eat and poo nuts, seed hooks on to them and drops off later)
2) Wind (eg dandelions and sycamores, light and downy or have wings)
3) Mechanical (Explodes out, eg peas, poppys, seeds in a dry pod, pressure builds up and pod drys out until explodes)
4) Water (Floats, eg coconut)

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13
Q

Flower life Cycle

A

Seed Dispersal ~~> Germination ~~> Growth of Plant ~~>
( )
Seed formation <~~ Fertilisation <~~ Development of Flower

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14
Q

What do seeds need to germinate

A

Water, oxygen warmth

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15
Q

What are the three types of Bees (in order of size)

A

Queen (F), Drones (M), Worker (F)

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16
Q

Description of Queen Bee

A

Female
1 per colony
Biggest
Lays thousands of eggs
reproduce
Produce chemicals to help with communication

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17
Q

Description of Drone Bee

A

Male
Middle size bee
hundreds per colony
Don’t do much
Leave colony, mate with other queens in mid air, then die

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18
Q

Description of Worker Bee

A

Female
Smallest bee
20-80 thousand per colony
bring in food
raise young
protect hive
pollinate/ fertilise

19
Q

What is the role of the queen ants

A

lay eggs

20
Q

What is the role of Male ants

A

Start colonies, leave and start new ones

21
Q

How did ant super colonies greet each other

A

Start War

22
Q

How did ant super colonies spread around the world from south america, and what did this cause

A

Accidentally getting on ships and being moved around. Only a few queens did this, so there were huge colonies with very little genetic diversity

23
Q

How much can an ant carry and how does it compare to a human

A

up to 50 times its body weight, which is equivalent to a human carrying 3.5 tonnes

24
Q

How fast can an ant run and how does it compare to a human

A

0.2 mph, the fastest up to 2.8ft/s, equivalent to a human running 400mph

25
Q

LABLE MALE AND FEMALE REPRODUCTIVE SYSTEMS

A

DO IT

26
Q

Key Word: scrotum

A

Holds and protects testis

26
Q

Key Word: testis

A

makes sperm and testosterone

27
Q

Key Word: sperm duct

A

where sperm mixes with seminal fluid to make semen. Carries out of penis into female

28
Q

Key Word: Prostate Gland

A

Releases seminal fluid

29
Q

What does the umbilical cord do

A

Gives food and oxygen to the baby and atkes out waste

30
Q

what does the placenta do

A

transfers food and oxygen from the mother to the umbilical cord, transfers waste from umbilical cord to mother

31
Q

Key Word: ecosystem

A

a group of organisms interacting either the non-living environment around them

32
Q

Key Word: Habitat

A

Where organisms live

33
Q

Key Word: Biotic

A

All the living components of an ecosystem

34
Q

Key Word: Community

A

All the organisms that live in the same place at the same time

35
Q

Key Word: Population

A

A group of organisms of one species

36
Q

Key Word: Abiotic Factors

A

All the non-living factors in an ecosystem

37
Q

Key Word: Amniotic Fluid

A

Protects and Cushions the fetus

38
Q

Key Word: Gall bladder

A

releases bile and enzymes into intestines to help digest

39
Q

Key Word: Incisor

A

Front teeth, chizels for biting, first to come when 6 months

40
Q

Key Word: Canine

A

pointy for tearing, got 4, 2 on top, 2 on bottom, come when 20 months

41
Q

Key Word: Premolar

A

flat and ridged for grinding and crushing so easy to swallow, 4 on top 4 on bottom, come around 10 yrs

42
Q

Key Word: Molar

A

Flat and biggest, for crushing and grinding so easy to swallow, 6 on top 6 on bottom, come when 19 months

43
Q
A

Biology (1 decks)

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