chemoheterotrophy in animals

Question 1

basal animals

Answer 1

sponges and jellies

Question 2

protostomes

Answer 2

insects

Question 3

deuterostomes

Answer 3

chordates

Question 4

what are the type of feeding mechanisms

Answer 4

• filter feeding
• predation
• parasitism

Question 5

what are the model organism’s for this section

Answer 5

• daphnia: filter feeder
• hydra: predator
• Tareia: parasite

Question 6

what is the outgroup for animals

Answer 6

choanoflagellates

Question 7

how do animals perform ingestion

Answer 7

eating food

Question 8

what is food

Answer 8

material that contains nutrients
- amino acids
- fatty acids
- vitamins
- minerals

Question 9

what are animals categorized as based on food

Answer 9

detritivores
herbivores
carnivores
omnivores

Question 10

what are the different types of parasites

Answer 10

endo: living inside host
ecto: living outside of host

Question 11

what are the strategies of eating

Answer 11

1. suspension
2. deposit
3. fluid
4. mass

Question 12

suspension feeders

Answer 12

filter out particles floating in water or air
example= barnacles

Question 13

deposit feeders

Answer 13

ingest organic material that has been deposited within a substance or on its surface
example= sea cucumber

Question 14

fluid feeders

Answer 14

suck or mop up liquids like nectar, blood, plant sap
example= hummingbird

Question 15

mass feeders

Answer 15

take chunks of food into their mouths
example= lions

Question 16

how do animals get food into each cell

Answer 16

1. incomplete system
2. complete system
   - chemical digestion
   - small intestine structure
   - circulatory systems

Question 17

why is it important that villa increase surface area

Answer 17

to absorb nutrients

Question 18

open circulatory system

Answer 18

• hemolymph
• blood and fluid is combined
• not very effective
• fluid can be take back up

Question 19

how is nutrients passed through the body in an open circulatory system

Answer 19

after blood gains nutrients, it’s pumped through open ended blood vessels and continue moving through body

Question 20

closed circulatory system

Answer 20

• blood
• arteries, veins, capillaries
• blood carry O2

Question 21

veins

Answer 21

bulk flow

Question 22

how is nutrients obtained in closed circulatory

Answer 22

blood contains nutrients and moves through the whole body
- fluid between cells gains nutrients by capillaries

Question 23

where does exchange happen between circulatory and tissues that need nutrients

Answer 23

capillaries