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Do First - Phosphorus Cycle

Posljednje ažuriranje over 1 year ago

13

Question 1

00:28

1

Question 2

00:29

1

Question 3

00:41

1

Question 4

00:48

1

Question 5

00:56

1

Question 6

01:06

1

Question 7

01:17

1

Question 8

01:34

1

Question 9

01:44

1

Question 10

02:01

1

Question 11

02:22

1

Question 12

02:29

1

Question 13

02:39

1

Pitanje 1

1.

Phosphorus is never encountered in the natural world

as a P

in its pure form

on its sole stae

mixed

Pitanje 2

2.

Phosphorus is only encountered in the natural world as...

phosphates

phosphites

Borites

Borates

carbonates

Pitanje 3

3.

A) Where are phosphates orginally from?
B) How do they get into bodies of water?

Pitanje 5

5.

Pitanje 6

6.

When animals excrete waste or die, phosphates can be taken up by...

omnivores

herbivores

carnivores

detritivores

Pitanje 8

8.

Pitanje 9

9.

Phosphorus can be a limiting factor for ecosystems. A limiting factor...

is a resource that can determine the size of a population

is a resource that is not needed

is non-essential

is an abundant resource

Pitanje 10

10.

Pitanje 11

11.