test 3

Question 1

porifera

Answer 1

germ layers - none
symmetry - asymmetrical
body cavity - none
embryology - none

Question 2

cnidaria

Answer 2

germ layers - 2
symmetry - radial
body cavity - none
embryology - none

Question 3

Platyhelminthes

Answer 3

germ layers - 3
symmetry - bilateral
body cavity - none
embryology -protostomes
lophotrocozoan

Question 4

annelida

Answer 4

germ layers - 3
symmetry - bilateral
body cavity - eucelomate
embryology - protostomes
lophotrocozoan

Question 5

mollusca

Answer 5

germ layer - 3
symmetry - bilateral
body cavity - eucelomate
embryology - protostomes
lophotrocozoan

Question 6

nematoda

Answer 6

germ layer - 3
symmetry - bilateral
body cavity - pseudocelomate
embryology - protostomes
ecdysozoan

Question 7

anthropoda

Answer 7

germ layer - 3
symmetry - bilateral
body cavity - eucelomate
embryology - protostomes
ecdysozoan

Question 8

echinodermata

Answer 8

germ layer - 3
symmetry - bilateral
body cavity - eucelomate
embryology - deuterostome

Question 9

Chordata

Answer 9

Germ layer- 3
Symmetry - bilateral
Body cavity - eucelomate
Deuterios time

Question 10

Dipoblastic

Answer 10

2 mejor germ layes
Endoderm- living of the digestive tract
Ectoderm- Skin and nervous system

Question 11

Tripoblastic

Answer 11

3 major germ layes
Ectoderm
Endoderm
Mesoderm - gives rise to the muscles bones and organ systems

Question 12

Body Symmetry

Answer 12

Asymmetry -animal cannot be divided into equal halves
Radial-round animals that can be cut into equal parts by multiple planes as long as it goes through the middle
Bilateral -animals that can be cut into equal halves but only by 1 plane (mammals)

Question 13

Symbiosis

Answer 13

2 parties are together all the time

Question 14

Mutualism

Answer 14

+/+ relationship

Question 15

Commensalism

Answer 15

+/0 relationship

Question 16

Facultative mutualism

Answer 16

Species do no need their partner to survive

Question 17

Obligate mutualism

Answer 17

The individuals need their partner to survive

Question 18

Parasitism

Answer 18

+/- relationship

Question 19

Parasitism vs parasitoid

Answer 19

Parasitism - don’t usually kill their host
Parasitoid - do kill host in the end

Question 20

Scramble competition

Answer 20

Competitor targets the resource

Question 21

Interference competition

Answer 21

Competitors targets each other and not the resource
Interferes with your ability to get the resource

Question 22

Density dependent growth

Answer 22

Intraspecfic competition

Question 23

Fundamental niche

Answer 23

Everything a species wants

Question 24

Realized niche

Answer 24

Everything a species gets

Question 25

Exploitative interactions

Answer 25

+/- relationship

Question 26

Standing defenses

Answer 26

Defenses that are there regardless if the predator is there or not

Question 27

Inducible defenses

Answer 27

Those that are there only if the predator is present

Question 28

species diversity

Answer 28

how many species are in an area and the abundance of each (%)

Question 29

species richness

Answer 29

how many diff species there are in an area

Question 30

primary succession

Answer 30

the growth of new things where there was no soil before and must be grown new

Question 31

secondary succession

Answer 31

growth of new plants where soil already remained

Question 32

facilitation (sucession)

Answer 32

one species makes it easier for the subsequent species to live in some habitat

Question 33

tolerance

Answer 33

later succession species show greater tolerance than younger succession plants
shrubs are more tolerant of shade than herbs

Question 34

inhibition

Answer 34

older succession plants inhibit early succession plants

Question 35

keystone species

Answer 35

species that have a greater impact on the diversity an species richness in their community than you would predict based on biomass

Question 36

Bergman’s law

Answer 36

the colder an area the bigger animals are usually

Question 37

carnivory

Answer 37

the eating of other animals by a predator
animals are higher in fats and protein
carnivores have simpler digestove systems

Question 38

protostome

Answer 38

blastopore becomes a mouth

Question 39

deuterostome

Answer 39

blastopore becomes an anus

Question 40

ecdysozoan

Answer 40

grows by shedding outer layer

Question 41

lophotorocozoan

Answer 41

grows by adding increments to the body (flatworms)

Question 42

life history

Answer 42

how an organism allocates energy and effort into growing, reproducing and maintaining its body