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Science > February Monthly Exam 6th > Flashcards

February Monthly Exam 6th Flashcards

1
Q

Which are the 3 oceans zone?

A

Intertidal, neritic and open ocean

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2
Q

What is Neritic zone?

A

Extends from the low tide line out the edge of continental shelf

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3
Q

What is open ocean zone?

A

Lies beyond the edge of the continental shelf

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4
Q

Which is the zone with less physical changes?

A

Open ocean

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5
Q

What are plankton? Examples

A

Tiny algae and animals that float in the water
•Young fish
•Microscopic crustaceans

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6
Q

What are benthos? Examples

A

Organisms that inhabit the ocean floor
•sponges
•sea anemones

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7
Q

What are nekton? Examples

A

Free swimming animals that can move throughout water columns
•squid
•most fishes
•marine mammals

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8
Q

How scientists classify animals in the ocean?

A

According to where do they live and how they move

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9
Q

Where the majority of organisms live?

A

Near the surface

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10
Q

What is an ocean food web?

A

All the feeding relationship that exists in an habitat

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11
Q

What are the 2 tipes of animal reproduction?

A

Sexual and asexual

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12
Q

What is sexual reproduction?

A

The sex cells of two parents join together to produce a new organism with the DNA of two parents

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13
Q

What is asexual reproduction?

A

The parent produce a new organism identical to itself

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14
Q

What are the advantages and disadvantages of sexual reproduction

A

Advantages: it will have more probabilities to survive
Disadvantage: it take more time to born

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15
Q

Which tipe of reproduction includes egg and sperm cells?

A

Sexual

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16
Q

What is fertilization?

A

When the sperm fecund the egg

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17
Q

Two tipes of fertilization

A

Internal and external

18
Q

What is the gestation period?

A

The length time between fertilization and birth

19
Q

Adult _______ reproduce sexually by releasing sperm and egg

A

Medusas

20
Q

Where does the interdidal zone begins?

A

In the highest tide line

21
Q

Which are the 3 oceans zone?

A

Intertidal, neritic and open ocean

22
Q

What is Neritic zone?

A

Extends from the low tide line out the edge of continental shelf

23
Q

What is open ocean zone?

A

Lies beyond the edge of the continental shelf

24
Q

Which is the zone with less physical changes?

A

Open ocean

25
Q

What are plankton? Examples

A

Tiny algae and animals that float in the water
•Young fish
•Microscopic crustaceans

26
Q

What are benthos? Examples

A

Organisms that inhabit the ocean floor
•sponges
•sea anemones

27
Q

What are nekton? Examples

A

Free swimming animals that can move throughout water columns
•squid
•most fishes
•marine mammals

28
Q

How scientists classify animals in the ocean?

A

According to where do they live and how they move

29
Q

Where the majority of organisms live?

A

Near the surface

30
Q

What is an ocean food web?

A

All the feeding relationship that exists in an habitat

31
Q

What are the 2 tipes of animal reproduction?

A

Sexual and asexual

32
Q

What is sexual reproduction?

A

The sex cells of two parents join together to produce a new organism with the DNA of two parents

33
Q

What is asexual reproduction?

A

The parent produce a new organism identical to itself

34
Q

What are the advantages and disadvantages of sexual reproduction

A

Advantages: it will have more probabilities to survive
Disadvantage: it take more time to born

35
Q

Which tipe of reproduction includes egg and sperm cells?

A

Sexual

36
Q

What is fertilization?

A

When the sperm fecund the egg

37
Q

Two tipes of fertilization

A

Internal and external

38
Q

What is the gestation period?

A

The length time between fertilization and birth

39
Q

Adult _______ reproduce sexually by releasing sperm and egg

A

Medusas

40
Q

Where does the interdidal zone begins?

A

In the highest tide line

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