Gaseous exchange in plants and animals - Unit 2

Question 1

internal vs external gaseous exchange organs

Answer 1

internal - large land mammals like razeen . internal for protection

external - single celled organisms. large SA to volue ratio

Question 2

gaseous exchange in dicot plants

Answer 2

gaseous exchange pores in stomata

CO2 skit through there

Question 3

GE in earthworms

Answer 3

whole body
mucous glands keep skin wet
have pseudohearts

Question 4

GE in locust

Answer 4

cuticle so their cant dala diffusion

spirachle which are holes to take O2 in, to tubes called tracheae

Question 5

GE in a vis

Answer 5

have gills
use their mouth to pump water to gills which makes no fucken sense cos these niggas are literally surrounded by a whole fucken ocean of water

Question 6

GE in mammals

Answer 6

advanced boiiiis

lungs and circulatory system