1. embryo- a plant or animal in the early stages of development
TRANSCRIPT
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Chapter 3
Life Cycles
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Lesson 1: Plant Life Cycles
Key Vocabulary
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1. embryo-
A plant or animal in the early stages of development
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2. germinate-to begin growing a new plant
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3. life cycle-a series of stages that occur during the lifetime of a living thing
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4. life span-the length of time it takes for an individual organism to complete its life cycle
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Notes1. The ___________ of the flower makes pollen
which is needed to form ___________.
2. 3 ways pollen can be moved from the __________ to the __________:
a) Windb) Waterc) Animals (insects)
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Notes3. _________ _________ petals attract birds
and insects to a flower.
4. Life Cycle of a Flowering Plant:
A. Pollen is moved from the ___________ to the ___________.
B. The plant forms a __________.
C. The plant releases a ___________.
D. When the seed ___________, a young plant will grow.
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Notes5. For flowering plants, the life span begins
when a seed __________.
6. In organisms that are similar, such as trees, the smaller kinds usually have shorter life spans than the larger kinds.
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Lesson 2: Animal Life Cycles
Key Vocabulary
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1. adult-
A fully grown, mature organism
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2. egg-The first stage in the life cycle of most animals
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3. larva-
A worm-like form and the second stage of complete metamorphosis
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4. metamorphosis-The process in which an animal changes form in different stages of its life cycle
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5. nymph-The second stage of incomplete metamorphosis
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Lesson 2 Notes1. Life cycle with __________ metamorphosis.
Egg
Adult
Pupa
Larva
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Lesson 2 Notes2. Life cycle with __________ metamorphosis.
Egg
Adult Nymph
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Lesson 2 Notes3. All ________ lay eggs, but _________ do not
lay eggs.
4. Many insects change form ______ times. – Examples: Butterflies, Ladybugs, Bean Beetles
5. In general, _________ _________ have shorter life spans than __________ __________ of the same kind.
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Lesson 2 Notes6. A _________ looks like an adult, but has no
_________.
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Lesson 3: Parents and Offspring
Key Vocabulary
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1. inherit-
to receive traits from a parent
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2. trait-a feature or a characteristic of a living thing
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Lesson 3 Notes1. A __________ trait is a trait that is passed from
parents to offspring through reproduction. This is why parents and offspring usually ____________ (look like) each other.
2. Organisms with 2 parents __________ ________ from both parents.
3. A tadpole looks like its parents after ________ ____________.
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Lesson 3 Notes4. Living things
resemble their parents
Examples: Blue eyes, curly hair
Examples: Frogs
Organisms inherit traits
Some offspring look different, but grow to look like
their parents