Biology
Biology, 29.08.2019 07:30, granthazenp5e9mj

What is true of matter in ecosystems?
a. the primary productivity of an ecosystem does not depend on the availability of nutrients.
b. living things can recycle elements within an ecosystem as long as decomposers are present.
c. matter flows in a one-way direction with a 10% loss at each move up in trophic level.
d. elements continuously cycle between the physical environment and living organisms.

answer
Answers: 1

Other questions on the subject: Biology

image
Biology, 22.06.2019 07:30, 1tzM3
Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables
Answers: 3
image
Biology, 22.06.2019 07:50, darceline1574
Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d
Answers: 2
image
Biology, 22.06.2019 11:00, shikiaanthony
Draw the farm's ppf for corn and beef. draw a point that shows an inefficient combination of corn and beef. label ita. draw a point that shows an unattainable combination of corn and beef. label itb. draw a point that shows an efficient combination of corn and beef. label itc.
Answers: 2
image
Biology, 22.06.2019 13:00, mbonilla073
The mixture of sperm and fluids from the seminal vesicles, prostate gland, and cowper's glands is called
Answers: 1
Do you know the correct answer?
What is true of matter in ecosystems?
a. the primary productivity of an ecosystem does not de...

Questions in other subjects:

Konu
Mathematics, 17.08.2021 05:00
Konu
Mathematics, 17.08.2021 05:00
Konu
Mathematics, 17.08.2021 05:00