lab prac 2

Question 1

what is a mesic environment?

Answer 1

an environment with ample moisture

Question 2

what is a xeric environment?

Answer 2

an environment with little moisture

Question 3

does an exponential graph ever level off?

Answer 3

no

Question 4

logistic graphs look like what?

Answer 4

an S

Question 5

what is the equation for a lincoln-pearson equation?

Answer 5

(number of animals marked in the first capture X number marked in recapture)/ marked animals in recapture

Question 6

what is the equation of a Schnabel test?

Answer 6

(number of previously marked animals X total captured)/previously marked animals captured

Question 7

Phylum porifera is commonly known as?

Answer 7

sea sponges

Question 8

a defining fact about sea sponges…

Answer 8

is that they are sessile

Question 9

Phylum Cnidaria contains what types of animals?

Answer 9

they have hollow body cavities, jellyfish and anemones are cnidarians

Question 10

phylum platyhelmenthes is more commonly konwn as…

Answer 10

flatworms

Question 11

a defining feature of flatworms?

Answer 11

they are flat, one single digestive line

Question 12

phylum nemotoda is more commonly known as…

Answer 12

roundworms

Question 13

phylum annelida is more commonly known as…

Answer 13

ringed worms, or segmented worms

Question 14

a common species in phylum nemotoda is what?

Answer 14

leeches

Question 15

a common species of phylum annelida is what?

Answer 15

earth worms

Question 16

phylum arthripoda encompases what types of animals?

Answer 16

crabs, spiders, bugs and crustaceans

Question 17

what is unique about phylum arthropoda?

Answer 17

exoskeletons and jointed appendiges as well as hydrostatic skeleton

Question 18

phylum mollusca encompases what kinds of animals?

Answer 18

octopus, squid, and snails

Question 19

phylum mollusca is unique because of…

Answer 19

well-developed organs and limbs, as well as being triploblastic

Question 20

phylum echinoderma encfompases what?

Answer 20

radial animals like starfish

Question 21

phylum chordata is more commonly known as what?

Answer 21

vertibrates

Question 22

what is a defining feature of chordates?

Answer 22

true spines, closed circulatory system, and nerve chords

Question 23

what are the 5 conditions for a hardy-weinberg equillibrium?

Answer 23

no natural selection, no migration must be occurring, no mutation must be occurring, mating within the population must be random, the population must be large.

Question 24

when doing a chi-squared equation, what is the most important result?

Answer 24

the P-Value