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Bio > Test 5 Animals~~~ > Flashcards

Test 5 Animals~~~ Flashcards

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Biology 101 flashcards
1
Q

Animals are eukaryotic or prokaryotic

A

Eukaryotic

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2
Q

Animals lack cell walls because they need to _____

A

Move around

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3
Q

Animals are multi or uni cellular

A

Multi cellular

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4
Q

Animals are compressed of many different types of ____ cells

A

Specialized cells

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5
Q

Cell specialization is

A

How each specialized cell has a special shape, physical structure and internal composition to make it suited to it’s function

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6
Q

Division of labour is

A

When animals divide essential tasks to survive between its specialized cell to be more efficient t

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7
Q

Name the 5 ways Animals eat

A

• herbivores, carnivores, parasite, filter feeders, detritus feeders

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8
Q

Parasites Can cause disease but also be ______

A

Beneficial

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9
Q

Respiration is the process that takes in ____ and produces ____

A

Oxygen, CO2

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10
Q

How can small and large animals respire ?

A

Small - thru skin

Large- lungs or gills working with internal transport system

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11
Q

How do small and large animals excrete

A

Small- they depend on diffusion

Large- specialized system

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12
Q

Sessile means

Motile means

A

Sessile- lives entire lives in one spot

Motile- ability to move around

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13
Q

Most animals move with ___ and ___ systems

A

Muscular and skeletal systems

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14
Q

Insects are aka as___

A

Arthropods

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15
Q

Insects do not have an ___ skeleton they move with their ___

A

Interior, exoskeleton

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16
Q

Which animals have an endoskeleton *3 animals

A

Reptiles, birds and mammals

17
Q

Their Sexual reproduction includes

_____ and ___

A

Internal and external fertilization

18
Q

Animals can reproduce 4 ways

Describe direct and indirect development also

A

Asexual, sexual, Indirect and direct development

Indirect development- eggs hatch into larvae’s which look nothing like the adult they eventually go thru metamorphosis
Direct development- eggs hatch into miniature versions of he adults they grow larger but their general form does not change

19
Q

Embryogenesis is the

A

Process of how an embryo is formed and developed

20
Q

Two way digestive tract happens when also describe one way

A

Two way- During gastrulation cells do not completely open at the other end

One way- if during gastrulation cells completely migrate in and create and opening at the other end

21
Q

State the 3 germ layers

A

Ectoderm
Mesoderm
Endoderm

22
Q

Give 2 examples of each of the germ layers

A

Ectoderm- skin, tooth enamel
Mesoderm- heart and blood cells
Endoderm, urinary bladder and pancreas

23
Q

Radial symmetry is where we draw imaginary lines thru____

Give 2 examples

A

The centre of the animal

Ex . Jellyfish, sea star

24
Q

A animals with radial symmetry do not have a REAL____

A

Head

25
Q

Many animals with radial symmetry are sessile or motile

A

Sessile

26
Q

Bilateral symmetry is where one side is _____

A

Reflection of the other ya

27
Q

Bilateral symmetry is in___ animals

A

More complex

28
Q

Anterior, dorsal, ventral and posterior

Which is front back upper and lower

A 
Anterior
Posterior 
Dorsal 
Ventral
*apple pie done visciously
29
Q

Animals with bilateral symmetry move with their ___ end ____

A

Anterior, foward

30
Q

Cephalization is when

A

Organs gather at the anterior of the animal

31
Q

Cephalization becomes more apparent as animals become more ___

A

Complex

32
Q

Why do we have a Brain

A

To process information and respond to stimuli in the environment

33
Q

Small clusters of nerve cells are called ___

A

Ganglia

34
Q

If the ganglia becomes large enough it becomes a ___

A

Brain

35
Q

Give 2 examples of animals with a 2 way digestive tract

A

Sponges and Cnidaria

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