This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Why is productivity low in tropical regions? (Read 20 times)

tatyanajohnson

  • Hero Member
  • *****
  • Posts: 569
on: Feb 28, 2020

Question 1

Productivity is the amount of carbon fixed by organisms through the synthesis of organic matter using energy derived from ________ and ________.
◦ chemosynthesis; hydrothermal
◦ hydrothermal; available nutrients
◦ chemosynthesis; photosynthesis
◦ photosynthesis; hydrothermal
◦ none of these

Question 2

Why is productivity low in tropical regions?
◦ because the low density of the water makes it hard for plankton to float near the surface
◦ because the thermocline acts as a barrier to the mixing of surface and deep waters
◦ because the deep waters are too warm to maintain a healthy biomass
◦ because there is too much sunlight
◦ All of the above are problems.
Earth Science ¦ Tarbuck, Lutgens, Tasa ¦ 15th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by tatyanajohnson on Feb 28, 2020

ankilker

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Feb 28, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 39% of students answer this correctly


tatyanajohnson

  • Member
  • Posts: 569
Reply 2 on: Feb 28, 2020
Great answer, keep it coming :)

jackie

  • Member
  • Posts: 324
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Areas of differing productivity and diversity in a wetland. (a) Typha dominates core habitats, while Areas of differing productivity and diversity in a wetland. (a) Typha dominates core habitats, while
A permanent epicardial pacemaker. The pulse generator can be placed in subcutaneous pockets in the s A permanent epicardial pacemaker. The pulse generator can be placed in subcutaneous pockets in the s
Source Regions: Air Masses Source Regions: Air Masses
Tropical Wet (Af) Tropical Wet (Af)
Regions Regions
Role of Productivity in Determining Output per Worker, 2009 Role of Productivity in Determining Output per Worker, 2009
Video: System organization - PPM system types (Somatic, Autonomic & Enteric) and Reflex arc types

For a complete list of videos, visit our video library