Question
What is the percentage of primary productivity of oceans?(a) $50 \%$(b) $90 \%$(c) $32 \%$(d) $70 \%$
Step 1
It is the rate at which energy is converted by photosynthetic and chemosynthetic autotrophs to organic substances. The total primary productivity of the Earth is 170 billion tons. Show more…
Show all steps
Your feedback will help us improve your experience
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
The productivity of ocean is less because (a) It occupies 70 per cent of earth's surface. (b) Light is a major limiting factor which decreases with increase in water depth. (c) It contains algae as a chief producer. (d) All the above
Oceans occupy _________ % of the surface of earth but productivity of ocean are _________ billion tons. (a) 70,45 (b) 60,55 (c) 70,55 (d) 60,65
Which of the following best estimates the amount of Earth's primary production that occurs in the oceans? 50% 90% 10% 25% 75%
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD