Unit 1 review sheet

Question 1

Do organisms grouped in the same class have the be in the same order

Answer 1

no

Question 2

Is it true that there’s more diversity and members of the same order compared with members of the same genus

Answer 2

yes

Question 3

What is a saprobe (saprophyte)

Answer 3

A group of fungi that acts as decomposers

Question 4

What is the difference between hyphae and mycelium

Answer 4

Hyphae are clusters of cells in a fungus that grow in a branch-like design; mycelium are large groups of hyphae.

Question 5

What is the function of hyphae ad mycelium

Answer 5

They spread to other places to get more nutrients

Question 6

Name the reproductive structure above ground in a fungus

Answer 6

mushroom

Question 7

How are fungi useful

Answer 7

Medicine and food, cycle nutrients and decompose

Question 8

How are fungi harmful

Answer 8

Cause disease

Question 9

How are fungi different from plant

Answer 9

Their cell walls are made of chitin and they are heterotrophs

Question 10

What is a symbiotic relationship

Answer 10

the organisms help each other

Question 11

Describe an example of symbiosis with fungi

Answer 11

The Dutch Elm disease

Question 12

States and describe 2 adaptions that plants have for living on land

Answer 12

cuticle– an outer layer that hold the water in
stoma–a small opening in the epidermis of the plant that allows gas exchange so the plant can take in small amounts of co2

Question 13

Name and describe how a bacteria cell reproduces sexually

Answer 13

conjugation

Question 14

Name and describe how a bacteria cell reproduces asexually

Answer 14

binary fission

Question 15

are miosis and conjugation the same thing

Answer 15

yes

Question 16

What is the difference between the lytic and lysogenic cycle for the reproduction of viruses

Answer 16

lytic- ends up breaking host cell

lysogenic- stays dormant then replicates and ends up lytic

Question 17

most gram bacteria are gram positive or negative?

Answer 17

Positive

Question 18

Why are they mostly positive in the gram test?

Answer 18

because of the thick outer layer of the peptidoglycan

Question 19

What is a thermophilic

Answer 19

an extreme thermophile only live and thrive in warm temps

Question 20

What is heterotrophic bacteria

Answer 20

uses organic chem. from other organism

Question 21

What is autotrophic acidophobic

Answer 21

they assemble complex carbon molecules from simple inorganic chemicals

Question 22

What are 3 ways bacteria are helpful

Answer 22

used in food, medicine, act a decomposers, are in intestines of animals and aids in digestion

Question 23

why is it difficult to classify a virus

Answer 23

only clarify them if they have a host

Question 24

how do amoebas move

Answer 24

by extensions of cytoplasm called pseudopods

Question 25

how do ciliates move

Answer 25

have cilia, they beat and propel them through the water

Question 26

how do zooflagellates move

Answer 26

they have flagella (tails)

Question 27

most protists are single celled, why are they not classified as bacteria

Answer 27

bacteria is a prokaryote, live anywhere | and protists are eukaryotes and can be both uni and multi cellular and can only live in moist areas

Question 28

describe the 2 main methods of reproduction of protists

Answer 28

asexual - binary fission | sexual - conjugation

Question 29

what is a gymnosperm

Answer 29

is a vascular plant (like coniferous tree) that produces seeds in special structures called cones. the male cones produce and release pollen and the female comes produce eggs.

Question 30

what is a angiosperm

Answer 30

a plant that produces flowers. the (male) flower produces pollen and egg in the (female) plant parts the plant is protected in an inclosed ovary. fate fertilization, seeds from within over and outer tissues from ovary become fruit. the main function of the fruit is to protect and disperse the seeds. Angiosperm is the majority the plants

Question 31

What are the types of seeds

Answer 31

mono and di (1 ans 2) cotyledons-structer that stores nutrients

Question 32

what does ventral refer to?

Answer 32

bottom

Question 33

What does dorsal mean

Answer 33

top

Question 34

antierior is what

Answer 34

the front (where the head is)

Question 35

what does prosterior mean

Answer 35

the bottom (back end)

Question 36

what is a notochord

Answer 36

a flexible rod found in some chordates

Question 37

What is the main difference between porifera (sponge) and cnidaria (jellyfish)

Answer 37

sponges don't have nerves and the cnidaria has nerves

Question 38

what function does the mouth have in cnidaria in addition to the ingestion of food

Answer 38

the mouth is also the anus (only have one digestive opening)

Question 39

where do sense organs and nerve cells usually concentrate in bilaterally symmetrical animals

Answer 39

spine/ near head

Question 40

What is the disadvantage of radial symmetry

Answer 40

don't have same sensory organs and bilateral animals

Question 41

what is the main diff between flatworms and round worms

Answer 41

complete digestive systen | flatworm- has mouth and anus as one (like jellyfish)

Question 42

What does segmented mean

Answer 42

different parts that are separated

Question 43

do humans have segmented bodies

Answer 43

yes -upper and lower jaw, ribs

Question 44

why do you see earthworms after it rains

Answer 44

because its easier to travel above ground rather than below...they breathe through they bodies and when ground is wet they can still get oxygen above ground (they have to live in moist areas)

Question 45

earthworms are an example of

Answer 45

round

Question 46

define loco motion

Answer 46

moving

Question 47

give an example of flatworms

Answer 47

tape worms

Question 48

what is an endoskeleton

Answer 48

inside skeleton

Question 49

whats a exoskeleton

Answer 49

hard shell on outer body

Question 50

list the features that all animals have in common

Answer 50

heterotrophs, sexual reproduction, breathe oxygen, motile