LG 2.1 Trends and Various Strategies Used by Organisms to Process Food Flashcards

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1
Q

There are 4 main stages of food processing namely:

A

Ingestion, Digestion, Absorption, Elimination

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2
Q

It is the act of eating

A

Ingestion

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3
Q

This phase comes after ingestion

A

Digestion

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4
Q

There are 2 types of digestion called:

A

Mechanical and Chemical Digestion

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5
Q

It is the physical process of breaking or tearing down food.

A

Mechanical Digestion

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6
Q

It is the chemical process of tearing down food into small particles.

A

Chemical Digestion

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7
Q

It occurs when digestion is finished; food molecules are broken down and are now absorbed by cells.

A

Absorption

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8
Q

Waste products of digestion are removed from the body.

A

Elimination

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9
Q

It is the simplest digestive compartment; Contains food matter to be digested.

A

Food Vacuoles

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10
Q

When cell takes solid food, it is called ___.

A

Phagocytosis

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11
Q

It is when a cell takes liquid.

A

Pinocytosis

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12
Q

It fuses w/ food vacuole, to start digesting food particles.

A

Lysosome

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13
Q

It is the breaking down of food inside food vacuoles

A

Intracellular Digestion

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14
Q

The process of breaking down food compartments.

A

Extracellular Digestion

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15
Q

It is a digestive compartment where food enters and waste exits.

A

Gastrovascular Activity

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16
Q

The ___ has two openings: mouth and anus.

A

Alimentary Canal

17
Q

These type of animals obtain nutrition from decaying roots and other animals consuming soil.

A

Earthworms

18
Q

This type of animal feeds on multiple plant sources; some eat animal tissue and feces.

A

Grasshoppers

19
Q

These are used by grasshoppers for chewing and biting food

A

Mandibles

20
Q

These are used by grasshoppers where they are used for manipulating and swallowing food.

A

Maxillae

21
Q

The alimentary canal of a grasshopper contains 3 regions namely:

A

Hindgut, Foregut, and Midgut (not in order)

22
Q

They have different beak sizes and shapes depending on the food they eat.

A

Birds

23
Q

Birds take in food through their ____, passing through the ___, ___ and into the ___.

A

Beaks, Esophagus, Crop, and Stomach respectively

24
Q

The stomach of a bird contains 2 chambers namely:

A

Proventriculus, Gizzard

25
Q

The ___ digestive and excretory system.

A

Cloaca

26
Q

These are hoofed mammals that have a unique digestive system.

A

Ruminants

27
Q

Ruminants are

a. ) Carnivores
b. ) Herbivores
c. ) Omnivores
d. ) None of the Above

A

Herbivores

28
Q

Ruminants have a ___, ___, ___, ___ and ___.

A

mouth, esophagus, stomach, small and large intestine respectively

29
Q

It is the first chamber of a ruminant’s stomach; The functions include: storage for the cud until regurgitated and swallowed.

A

Rumen

30
Q

It is also known as honeycomb; It has microbes that digest food; Main function is to collect smaller particles and move by muscle contraction.

A

Reticulum

31
Q

It is a spherical shaped part of the stomach connected to the reticulum; it is called “many plies” because of many tissue folds.

A

Omasum

32
Q

It is also known as “True Stomach”; It secretes hydrochloric acid and digestive enzymes.

A

Abomasum

33
Q

They are not true ruminants.

A

Pseudoruminants

34
Q

Pseudoruminants have 3 chambered stomachs namely:

A

Omasum, Abomasum, and Reticulum

35
Q

Pseudoruminants have ___ that acts as rumen.

A

Cecum

36
Q

Earthworms have ___ - internal fold of the intestines that increases the surface area.

A

Typhlosole