Advantages and Disadvantages of Sexual and Asexual Reproduction in Plants and Animals, Study notes of Acting

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Advantages

Disadvantages

Asexual

Sexual

Reproduction

S1‐^1 ‐

07 Compare

sexual

and^

asexual

reproduction

in^ terms

of^ their

advantages

and

disadvantages

for^ plant

and^

animal

species.

Sexual

vs.

Asexual

Reproduction:

There

are^

advantages

and

disadvantages

with

each

kind

of

reproduction: Asexual

Reproduction: Advantages: •^ New

organism

IDENTICAL

to^ the

PARENT

-^ Can

be^ good

if^ well

ADAPTED

to^ the

ENVIRONMENT

( BACTERIA

)

-^ No

need

to^ find

a^ PARTNER

-^ Able

to^ reproduce

WHENEVER NEEDED

.

-^ Much

QUICKER

than

sexual

reproduction

-^ Some

cells

can

reproduce

in^ a

matter

of^ MINUTES

-^ Little

to^ no

ENERGY

is^ used

to^ PRODUCE

/ CARE FOR

offspring

-^ Offspring

are^

usually

able

to^ SURVIVE

on^ their

OWN

.

Sexual

vs.

Asexual

Reproduction:

Sexual

Reproduction: Advantages: •^ Offspring

have

TRAITS

from

BOTH

parents

( GENETIC

VARIATION

-^ The

organism

is^ able

to^ ADAPT

to^ environment

•^ TWO PARENTS

to^ care

for^

offspring

•^ INCREASED

chance

of^ SURVIVAL

of^ offspring

•^ GENETIC VARIATION

ensures

a^ higher

SURVIVAL RATE

Sexual

vs.

Asexual

Reproduction:

Sexual

Reproduction: Disadvantages: •^ Finding

a^ PARTNER

(must

have

MALE

and

FEMALE GAMETES

-^ Requires

TIME

and

ENERGY

-^ Results

of^ MEIOSIS

and

FERTILIZATION

are

UNPREDICTABLE

-^ Chances

for^

ERRORS

and

MUTATIONS

that

may

reduce

chances

of^ SURVIVAL

-^ Must

have

ways

to^ FERTILIZE

and

ATTRACT

the

opposite

sex.

Adaptations

for

Reproductive

Success:

Appearance: •^ Some

animals

have

a^ certain

APPEARANCE

to^ ATTRACT

the

OPPOSITE SEX

Ex.^

BIRDS

,^ PRIMATES

,^ HUMANS

,^ etc.

Adaptations

for

Reproductive

Success:

Mating

Calls:

-^ Mating

calls

are

used

to^ ATTRACT

the

OPPOSITE SEX

during

MATING SEASON

Ex.^

Elk‐

BUGLE

,^ Birds

‐ SING

,^ Moose

‐“ GRUNT

”,^ etc.

Moose

Mating

Call

Elk^ Mating

Call

Adaptations

for

Reproductive

Success:

Courtship

Behaviour:

-^ ACTING

in^ a

certain

WAY

to^ ATTRACT

a^ mate.

-^ Ex.

HUMANS

,^ PEACOCKS

,^ BULLFROGS

,^ Fighting,

etc.

Adaptations

for

Reproductive

Success:

Number

of^ Offspring

Produced:

-^ Some

organisms

produce

LARGE NUMBERS

of^ OFFSPRING

,^ so

that

there

is^ a

HIGHER CHANCE

that

some

will

SURVIVE

-^ Ex.

INSECTS

,^ REPTILES

,^ some

BIRDS