7Th Grade Life Science

Front 1

How do Ciliates move?

Back 1

Ciliates move with cilia, hairlike things on the entire cell.

Front 2

How do Ciliates feed?

Back 2

The cilia move collected food into the oral grooves which create food vacuoles.

Front 3

Name all Protozoans

Back 3

Saradines - ciliates - flagellates - parasitic protozoans

Front 4

Name all plantlike protists

Back 4

Diatoms - dinoflagellates - euglenides - red, green, brown algaes

Front 5

Name all fungi-lke protists

Back 5

slime mold - downy mildew - water molds

Front 6

What is a protozoan?

Back 6

A protozoan is an animal-like protist that is a hetertroph, most can move.

Front 7

How does an amoeba move?

Back 7

Amoeba form pseudopods, move all cytoplasm to one area, then the rest of the cell follows.

Front 8

How does an amoeba get food?

Back 8

Amoeba eat by two pseudopods engulfing the surrounded food.

Front 9

How does a flagellate move?

Back 9

Flagellates move with whip-like flagella.

Front 10

How does a flagellate get food?

Back 10

Flagellates eat by living inside an organism.

Front 11

What is a protist?

Back 11

All protists are eukaryotes, organisms that have cells with nuclei.

Front 12

List the three categories into which scientists group protists

Back 12

Fungus, Plant, and Animal

Front 13

Which characteristics do animal-like protists share with animals?

Back 13

Movement and Heterotrophs

Front 14

Which part of an amoeba removes excess water?

Back 14

Contractile Vacuole

Front 15

How many nuclei do paramecia have?

Back 15

More than one.

Front 16

Do flagellates living in symbiosis always harm the animal in which they live?

Back 16

No.

Front 17

What type of protozoan feeds on the cells and body fluids of their hosts?

Back 17

Parasites

Front 18

Can protozoans that are parasites have more than one host?

Back 18

Yes.

Front 19

What are plantlike protists commonly called?

Back 19

Algae.

Front 20

How are plantlike protists like plants?

Back 20

They are autotrophs, most are able to use the sun's energy to make their own food.

Front 21

Which plantlike protists are multicellular?

Back 21

Red Algae and Brown Algae and some Green Algae

Front 22

Which plantlike protists are unicellular?

Back 22

Diatoms, Dinoflagellates, Euglenoids, and some Green Algae

Front 23

Name a characteristic of a Diatom

Back 23

Cell walls move with slime, attach to rocks, glass like

Front 24

Name characteristics of Dinoflagellates

Back 24

Stiff armor, variety of colors, two flagella glow in dark flagella

Front 25

Name characteristics of Euglenoids

Back 25

Green Algae can be heterotrophic.

Front 26

Name characteristics of Red Algae

Back 26

Can grow in dark areas, have red pigments

Front 27

Name characteristics of Green Algae

Back 27

lives in fresh water or salt water, some live on moist rocks, green pigment.

Front 28

Name characteristics of Brown Algae

Back 28

Different colored pigments, seaweed, live in cool, rocky waters.

Front 29

True or False: Fungus-like protists are hetertrophs.

Back 29

True

Front 30

True or False: Fungus-like protists do not have cell walls

Back 30

False

Front 31

True or False: Fungus-like protists use spores to reproduce.

Back 31

True.

Front 32

True or Flase: Fungus-like protists never move during their lives.

Back 32

False.

Front 33

List the three types of fungus-like protists.

Back 33

Slime Molds, Water Molds, Downy Mildews

Front 34

Where do most water molds and downy mildews live?

Back 34

Watery and moist places

Front 35

Where do slime molds live?

Back 35

Moist soil and decaying plants.

Front 36

Give examples of animal-like protists

Back 36

Sarcodines, ciliates, and flagellates

Front 37

Give examples of plant-like protists

Back 37

Dinoflagellates, euglenoids, red algae, brown algae, green algae, and diatoms

Front 38

Give examples of fungus-like protists

Back 38

Water molds, downy mildews, and slime molds

Front 39

What are shared characteristics of animal like protists?

Back 39

heterotrophs; most move by using pseudopods, cilia, or flagella

Front 40

What are shared characteristics of plant like protists?

Back 40

autotrophs

Front 41

What are shared characteristics of fungus like protists?

Back 41

heterotrophs, cell walls, reproduce with spores

Front 42

Define Pseudopod

Back 42

a temporary bulge of the cytoplasm used for feeding and movement

Front 43

Define spore

Back 43

a tiny cell that is able to grow into a new organism

Front 44

define contractile vacuole

Back 44

a structure that collects excess water and expels it from a cell.

Front 45

Define Cilia

Back 45

hairlike projections of ciliates that are used to sweep in food and move.

Front 46

Define algae

Back 46

plantlike protists

Front 47

Define symbiosis

Back 47

a close relationship between two species in which at least one of the species benefits.

Front 48

Define mutualism

Back 48

a form of symbiosis that benefits both species

Front 49

Define protist

Back 49

A eukaryote that cannot be classified as an animal, plant, or fungus.

Front 50

What are fungi?

Back 50

Fungi are eukaryotes which absorb food, produce with spores, have cells walls, and are heterotrophs

Front 51

How do fungi reproduce?

Back 51

By releasing spores from their body, carried by air and water

Front 52

What do fungi do to help us?

Back 52

Molds can make cheese and make bread rise.

Front 53

What are three examples of fungi?

Back 53

Cricket killers, yeast, bread mold

Front 54

Are fungi eukaryotes?

Back 54

Yes

Front 55

How are the cells of fungi arranged?

Back 55

They are arranged in branching, threadlike tubes called hyphae

Front 56

True or False: Fuzzy-looking molds that grow on food have hyphae that are packed tightly together.

Back 56

False, the hyphae are loosely tangled.

Front 57

Identify the structural parts of a mushroom.

Back 57

Cap, gills, stalk, hyphae, underground hyphae

Front 58

Describe the process by which a fungus feeds

Back 58

Fungi absorb nutrients from hyphae that row into the food. The fungi grows into the food, the hyphae release oozing digestive chemicals, then the hyphae absorb the digested food.

Front 59

Are fungi parasites?

Back 59

Some are.

Front 60

Most fungi reproduce by making _________.

Back 60

Spores.

Front 61

Yeast cells reproduce asexually in a process called _________.

Back 61

Budding.

Front 62

True or False: Fungi reproduce sexually when growing conditions become unfavorable.

Back 62

True.

Front 63

What are the three major groups of fungi?

Back 63

Club, Sac, zygotes.

Front 64

Fungi that are ______ break down the chemicals in dead organisms.

Back 64

Decomposers.

Front 65

True or False: Certain kinds of fungi cause diseases in plants and in humans.

Back 65

True.

Front 66

Some molds produce ______, substances that kill bacteria.

Back 66

penicillium

Front 67

How do some fungi help plants grow larger and healthier?

Back 67

When their hyphae grow in or onto a plant, the fungi's hyphae can find more water and nutrients for the plant.

Front 68

An organism that consists of a fungus and either algae or autotrophic bacteria that live together in a mutualistic relationship is a ______.

Back 68

Lichen.

Front 69

The fungus provides the algae or autotrophic bacteria with ____, _____, and _____.

Back 69

Shelter, water, minerals.

Front 70

The algae or autotrophic bacteria provide the fungus with _____.

Back 70

food.

Front 71

Does a fungus get its food the same way you do? Explain.

Back 71

No. Fungi absorb their food through hyphae that grow into a food. Then, the hyphae digests the food outside, then eats the pre-digested food.

Front 72

Describe what would happen if fungi didn't exist.

Back 72

Bread, cheese, yeast, and penicillium would not exist. More disease and bacteria could harm us, but fungi disease wouldn't.

Front 73

______ consists of the mutualistic relationship of a fungus and either algae or autotrophic bacteria.

Back 73

Symbiosis.

Front 74

_____ is one of the branching, threadlike tubes that make up the bodies of multicellular fungi.

Back 74

Hyphae

Front 75

______ is a form of asexual reproduction in yeast that does not require the production of spores.

Back 75

Budding.

Front 76

A _______ is a structure that produces the spores of a fungus.

Back 76

Fruiting Body

Front 77

______ are eukaryotes that have cell walls and are heterotrophs.

Back 77

Fungi