External/Internal Fertilisation and Asexual/Sexual Reproduction Flashcards

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1
Q

Is internal fertilisation sexual or asexual?

A

sexual

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2
Q

Is external fertilisation sexual or asexual?

A

asexual

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3
Q

Where does external fertilisation take place?

A

Outside the body

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4
Q

Where does internal fertilisation take place?

A

Inside the body

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5
Q

Relatively, how many eggs are produced in external fertilisation?

A

Many

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6
Q

Relatively, how many eggs are produced in internal fertilisation?

A

Few

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7
Q

What is an animal that does internal fertilisation?

A

Humans

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8
Q

What is an animal that does external fertilisation?

A

Starfish

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9
Q

What are offspring like in asexual vs sexual reproduction?

A

Asexual - Genetically identical to my parent

Sexual - Offspring are genetically different from their parents

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10
Q

How many parents are needed in asexual vs sexual reproduction?

A

Asexual - One parent

Sexual - Two parents

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11
Q

What does asexual vs sexual reproduction result in?

A

Asexual - Genetic clone

Sexual - Unique combination of genes from each parent

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12
Q

What is an advantage of sexual reproduction?

A

Helps a species survive in a changing environment

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13
Q

What is a disadvantage of sexual reproduction?

A

Survival of the fittest

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14
Q

What is an advantage of asexual reproduction?

A

A stable environment that doesn’t change much

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15
Q

What is an disadvantage of asexual reproduction?

A

If something happens to one of them, it’s very dangerous

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16
Q

What is an advantage of internal fertilisation? (2)

A
  1. Survival is increased
  2. Less energy used
17
Q

What is an advantage of external fertilisation?

A
  1. Potential for more offspring
18
Q

What is a disadvantage of internal fertilisation? (3)

A
  1. More energy is needed from the mother
  2. Possible death at birth
  3. Less offspring
19
Q

What is a disadvantage of external fertilisation? (2)

A
  1. Less protected
  2. Die quicker