Question

plz help
Below are the recorded observations from a student’s notebook:


•A test tube is filled with pond water rich with protists like Euglena.

•A piece of dark paper is wrapped around the bottom of the test tube and the top of the test tube becomes green, rich with algae.
Based on these observations, which question could be answered?

Are protists sensitive to changes in position?

Are protists sensitive to changes in light?

Are protists present in pond water?

Are protists unicellular or multicellular organisms ?

Answer 1

@CarlosGP

Answer 2

i think it is d am i correct

Answer 3

@courtneydragon

Answer 4

I dont know sorry Smart girl

Answer 5

its ok do you know of anyone who might know?

Answer 6

Ill ask around for you

Answer 7

thanks

Answer 8

Welcome

Answer 9

lick on ← 23 members online and ask thomaster for help

Answer 10

ok thanks again

Answer 11

@thomaster can you plz check this

Answer 12

Oke this is an easy one :)
You cover the bottom in black paper.
What is the environmental difference between the top and the bottom of the test tube?

Answer 13

its has no light shining in

Answer 14

Exactly. And algae need light for photosynthesis to produce their food.
So what would be the answer?

Answer 15

ohhh, so it would be b

Answer 16

exactly :)

Answer 17

thanks :)