Chapter 2 Flashcards
A seed is
a part of a plant that can grow into a new plant
Pollination
is when pollen moves to the female part of a flower
Life Cycle is
how an organism grows and reproduces
metamorphosis
is a change in body form during their life cycle
An egg is
a structure that protects and feeds young animals
Inherited trait is
a feature that is passed from parents to young
A seed has a ______ that helps protect a young plant
tough shell
A small, growing plant is a
seedling
The seed contains _____ and _____ inside
a young plant, food
What does a seed need to grow
water, nutrients and the right temperature
Plant Life Cycle - name the steps
- A seed is planted in the soil
- The seed grows and roots grow into the soil
- The roots grow longer and a stem pushes up
- The plant grows leaves. It makes its own food.
- The plant grows into an adult. It can reproduce and make new seeds.
What makes seeds?
Flowers
A flower has a ____ and _____ part.
Male, Female
The male part of a flower makes a powder called
pollen
The female part of the flower makes
tiny eggs
When pollen and the tiny eggs come together,
a seed forms
How does pollen move from one flower to another
The wind can blow it or animals such as bees can move it
How does a bee move pollen?
It drinks from a flower and the pollen sticks to them
In flowering plants, what forms around the seeds?
Fruit
Seeds can _______ an animals body, they are ___ in the breeze or they can _____
from the fruit and are buried by animals
pass through, blown, spill out
In time, adult plants die and they
break down or rot
When adult plants break down or rot, they add ___ to the soil
nutrients
What is made inside the female cone
seeds
Some plants reproduce without making seeds. Instead, they make
spores
A spore falls to the ____ and grows into a new plant
ground
Unlike seeds, spores do not
have stored food
New plants can also grow new stems and leaves from other parts of plants. What plant has white spots or eyes?
potato
Other plants grow from underground stems called
Bulbs
An example of a bulb is
the onion
Animal’s life cycle is it is
born, then grows, then reproduces as an adult
Which animals go through metamorphosis in their life cycle
Frogs and most insects
Life cycle of a butterfly
- Starts life as an egg
- 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
- The larva changes into a pupa. It forms a hard shell to protect itself. Inside, the insect structures are growing.
- When the growth and metamorphosis period is completed, the pupa shell hatches and a butterfly emerges
Reptiles lay their eggs on
land
Fish lay their eggs in
water
Birds often build ___ for their eggs and ___ on them until they hatch
nests, sit
Reptiles, fish and birds grow eggs
inside
Where can you find fish eggs?
They float in the water or sink to the bottom
____ and ____ do not look after their young
Reptiles, Fish
_____ look after their young and feed them
Birds
Most mammals are born
live
Young mammals look like ____ when they are born
their parents
Cheetah ____ need to be fed and protected
cubs
____ cheetahs learn how to hunt
young
____ cheetahs grow and reproduce
Adult
Every living thing has
traits
Traits are
features that help you identify and recognize living things
Traits that are passed from parent to offspring are called
inherited traits
Most living things inherit from
both parents
Some of your traits are
learned
People and animals can learn new skills over time. An example of a learned trait is
riding a bicycle, reading, catching a ball, throwing a ball, skating, skiing
Learned traits are not passed on, you need to
experience and do on your own
Trait that is changed by your environment is
color of your hair (gets lighter under the sun) or scar on your arm
How does woodpecker change the tree’s trait?
Tree now has holes
