Phytoplankton are microscopic marineorganisms that form the base of many marinefood webs. What is their primary role in theocean ecosystem?(a) Decomposers that break down deadorganisms.(b) Primary producers that use photosynthesis toproduce energy.(c) Carnivores that prey on other organisms.(d) Filter feeders that consume small particles inthe water.

The question asks about the primary role of phytoplankton in the ocean ecosystem. Phytoplankton are…

Answered: Phytoplankton are microscopic marine…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Similar questions

Question 9 In a nutrient spiral, __________________. A) nutrients are transported to deeper waters. B) nutrients are transported downstream. C) salmon move nutrients to terrestrial systems. D) nutrient cycles occur in discrete segments of the stream. Question 10 _________ obtain energy from inorganic molecules; _______ obtain energy from organic molecules. Autotrophs; heterotrophs Heterotrophs; autotrophs Secondary consumers; primary producers Carnivores; photosynthesizers
6) Which of the following is not a source of carbon in the biosphere? A) Ocean rocks and sediments.B) Fossil fuels and calcium carbon rock underground.C) The oceans as dissolved carbon dioxide.D) Carbon dioxide in the atmosphere.
The biological pump in the ocean O A) is independent of the atmosphere. O B) moves carbon to deeper waters. O C) moves carbon toward the surface. D) circulates oxygen.
What marine life forms are affected by aspergillosis caused by Aspergillus sydowii? a. Sea turtles () b. Sea fans )c. Sea anemones d. Sea slugs 16. Identify the single most correct choice: (a) Enzymes can operate at low temperatures. b) pH may change the rate of an enzyme's activity. c) Enzymes can lower the activation energy of reactions and they (enzymes) are produced by the living cells. d) All of the above.
Which is one way in which photosynthesis is involved in the carbon cycle? A) Photosynthesis produces carbondioxide (CO2) which is released into the atmosphere B) Photosynthesis returns carbon from organism to the soil C) Photosynthesis release glucose into the atmosphere D) Photosynthesis uses carbon dioxide (CO2) from the atmosphere
Which of the following is characteristic of most terrestrialbiomes?(A) a distribution predicted almost entirely by rock and soilpatterns(B) clear boundaries between adjacent biomes(C) vegetation demonstrating vertical layering(D) cold winter months
Nitrogen ___________ A)is a growth-limiting nutrient for many organisms. B)is used to build proteins and carbohydrates. C)is extracted from the atmosphere by a few types of bacteria. D)Both A and C are correct. E)A, B, and C are correct.
Feeding mechanism and reproductive strategies evolve first because? A) It functions for the primary needs of organism here on earth B) It ensures survival and signs of adaptation C) Both A and B D) all statements are contradicting
The next couple of lectures will deal with organisms that live on the sea floor. How do some benthic organisms feed (acquire nutrients)?
Which statement best describes conditions that would result in net global cooling? a) Solar energy entering Earth’s atmosphere equals energy leaving. b) Solar energy entering Earth’s atmosphere exceeds energy leaving. c) Solar energy entering Earth’s atmosphere is less than energy leaving. d) Energy flows through ecosystems, with some energy lost at every transition. e) Removing trees (deforestation) would remove insulation from Earth’s surface resulting in heat loss.
Solid wastes produced from burning of fossils fuels is: A) Carbon dioxide B)Water vapor Ash Sulfur dioxide

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