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Alex 3rd Grade - Science > Chapter 2 > Flashcards

Chapter 2 Flashcards

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Biology 101 flashcards
1
Q

A seed is

A

a part of a plant that can grow into a new plant

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2
Q

Pollination

A

is when pollen moves to the female part of a flower

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3
Q

Life Cycle is

A

how an organism grows and reproduces

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4
Q

metamorphosis

A

is a change in body form during their life cycle

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5
Q

An egg is

A

a structure that protects and feeds young animals

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6
Q

Inherited trait is

A

a feature that is passed from parents to young

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7
Q

A seed has a ______ that helps protect a young plant

A

tough shell

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8
Q

A small, growing plant is a

A

seedling

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9
Q

The seed contains _____ and _____ inside

A

a young plant, food

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10
Q

What does a seed need to grow

A

water, nutrients and the right temperature

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11
Q

Plant Life Cycle - name the steps

A
  1. A seed is planted in the soil
  2. The seed grows and roots grow into the soil
  3. The roots grow longer and a stem pushes up
  4. The plant grows leaves. It makes its own food.
  5. The plant grows into an adult. It can reproduce and make new seeds.
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12
Q

What makes seeds?

A

Flowers

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13
Q

A flower has a ____ and _____ part.

A

Male, Female

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14
Q

The male part of a flower makes a powder called

A

pollen

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15
Q

The female part of the flower makes

A

tiny eggs

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16
Q

When pollen and the tiny eggs come together,

A

a seed forms

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17
Q

How does pollen move from one flower to another

A

The wind can blow it or animals such as bees can move it

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18
Q

How does a bee move pollen?

A

It drinks from a flower and the pollen sticks to them

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19
Q

In flowering plants, what forms around the seeds?

A

Fruit

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20
Q

Seeds can _______ an animals body, they are ___ in the breeze or they can _____
from the fruit and are buried by animals

A

pass through, blown, spill out

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21
Q

In time, adult plants die and they

A

break down or rot

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22
Q

When adult plants break down or rot, they add ___ to the soil

A

nutrients

23
Q

What is made inside the female cone

A

seeds

24
Q

Some plants reproduce without making seeds. Instead, they make

A

spores

25
Q

A spore falls to the ____ and grows into a new plant

A

ground

26
Q

Unlike seeds, spores do not

A

have stored food

27
Q

New plants can also grow new stems and leaves from other parts of plants. What plant has white spots or eyes?

A

potato

28
Q

Other plants grow from underground stems called

A

Bulbs

29
Q

An example of a bulb is

A

the onion

30
Q

Animal’s life cycle is it is

A

born, then grows, then reproduces as an adult

31
Q

Which animals go through metamorphosis in their life cycle

A

Frogs and most insects

32
Q

Life cycle of a butterfly

A
  1. Starts life as an egg
  2. When the egg hatches, a caterpillar emerges which is also known as a larva. The larva eats bugs and grows as this is the feeding and growth stage
  3. The larva changes into a pupa. It forms a hard shell to protect itself. Inside, the insect structures are growing.
  4. When the growth and metamorphosis period is completed, the pupa shell hatches and a butterfly emerges
33
Q

Reptiles lay their eggs on

A

land

34
Q

Fish lay their eggs in

A

water

35
Q

Birds often build ___ for their eggs and ___ on them until they hatch

A

nests, sit

36
Q

Reptiles, fish and birds grow eggs

A

inside

37
Q

Where can you find fish eggs?

A

They float in the water or sink to the bottom

38
Q

____ and ____ do not look after their young

A

Reptiles, Fish

39
Q

_____ look after their young and feed them

A

Birds

40
Q

Most mammals are born

A

live

41
Q

Young mammals look like ____ when they are born

A

their parents

42
Q

Cheetah ____ need to be fed and protected

A

cubs

43
Q

____ cheetahs learn how to hunt

A

young

44
Q

____ cheetahs grow and reproduce

A

Adult

45
Q

Every living thing has

A

traits

46
Q

Traits are

A

features that help you identify and recognize living things

47
Q

Traits that are passed from parent to offspring are called

A

inherited traits

48
Q

Most living things inherit from

A

both parents

49
Q

Some of your traits are

A

learned

50
Q

People and animals can learn new skills over time. An example of a learned trait is

A

riding a bicycle, reading, catching a ball, throwing a ball, skating, skiing

51
Q

Learned traits are not passed on, you need to

A

experience and do on your own

52
Q

Trait that is changed by your environment is

A

color of your hair (gets lighter under the sun) or scar on your arm

53
Q

How does woodpecker change the tree’s trait?

A

Tree now has holes

Alex 3rd Grade - Science (24 decks)

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