Final Exam - Animals 2024 Flashcards

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1
Q

What organelles do animals have?

A

Cell membrane
Mitochondria
Nucleus

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2
Q

What organisms did animals evolve from?

A

Protozoans

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3
Q

What type of organism develops the anus as its first opening?

A

Deuterostome

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4
Q

What type of circulatory system do arthropods and mollucks have?

A

An open Circulatory system

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5
Q

What does the Coelom or body cavity allow for?

A

Our body to have a place to store organs

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6
Q

What structure in vertebrates does the Dorsal Nerve Cord become?

A

spinal cord

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7
Q

In biological terms when does new life begin?

A

After fertilization

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8
Q

What are humans example of?

A

Deutersotome

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9
Q

What kind of symmetry do cnidarians have?

A

Radial symmetry

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10
Q

What are animals?

A

Heterotrophs - because they get energy by eating other living things

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11
Q

How do pseudocoelomates digest food?

A

By wiggling their bodies until it goes through the digestive tract

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12
Q

What body segment contains most of the internal organs of arthropods?

A

Abdomen

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13
Q

What will almost all animals do?

A

Reproduce with a male and female

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14
Q

What organ is used to catch food in filter feeding mollucks?

A

Gills

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15
Q

Do all animals move at some point in their life?

A

YES

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16
Q

What kind of skeleton do humans have?

A

Endoskeleton

17
Q

Why is segmentation important in animals ?

A

It allows for flexibility

18
Q

What structure in a mollusks acts like a combination of a tooth and a tongue and is used to scrape up food?

A

Radula

19
Q

What do we call an animal that does not have a body cavity at all?

A

Acoelomate

20
Q

What do sponges use to reproduce?

A

Fragmentation
Through spores
Sexual Reproduction

21
Q

What is the name of cells that are used to sting?

A

Cnidocyte

22
Q

What body segment contains the brain and senses of arthropods?

A

Head

23
Q

What organ is used for movement in mollusks?

A

Foot

24
Q

The crop and gizzard in many earthworms has the same function as what structure in humans?

A

The stomach and teeth

25
Q

What kind of fish has a notochord but no real skeleton or backbone?

A

Jawless fish

26
Q

What can birds also be considered?

A

Feathered Dinosaurs

27
Q

What types of mammals give birth to very premature young - who latch onto a mother after birth?

A

Marsupial mammals

28
Q

What type of mammals lay eggs?

A

Monotremes

29
Q

What do the pharyngeal gill slits become in adult humans?

A

Structures around the throat like the tonsils and thymus glands

30
Q

What does the term - Tetrapod mean?

A

Four-limbs

31
Q

What is the last fish to evolve?

A

Bony Fish