Top Camiones Camiores / Secondary Consumers/Om
Herbivores/Primary Consumers
Photosynthesis / Primary Producers
Soils / Decomposers
The pyramid above illustrates the trophic levels in a typical forest or swamp ecosystem. In the soil, the organisms play a
specialized role in the ecosystem. Select all of the statements that accurately describe the role of the soil organisms.
A)
Decomposers help maintain soil quantity and quality in the ecosystem.
B)
Decomposers harness the light energy that is not captured by the
producers.
Fungi, worms, and insects break down dead organic matter to recycle the
nutrients.
D)
Decomposers are both heterotrophic and autotrophic, playing dual roles in
the ecosystem.
E)
Soil organisms feed on the organic matter lost as waste from all levels of
the food chain
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Which best describes an adaptation that could be found in a fish that lives in a slow-flowing stream? the ability to attract prey by glowingextra gills, for oxygen extractionthe ability to grow largerextra fat, for warmth

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

In a hypothetical breed of dogs, coat color is controlled by two genes. there are six different coat colors in this breed: black, brown, cream, gray, silver, and tan. consider the following crosses. cross 1: black females from a lineage of all black dogs are crossed with brown males from a lineage of all brown dogs. f1 males and females are all black. when f1 are intercrossed, f2 males and females are black or brown. cross 2: black females from a lineage of all black dogs are crossed with tan males from a lineage where all males are tan and all females are cream. f1 males are black, f1 females are gray. when f1 are intercrossed, f2 males and females are black, brown, gray, or tan. cross 3: silver females from a lineage where all females are silver and all males are gray are crossed with brown males from a lineage of all brown dogs. f1 males and females are all gray. when f1 are intercrossed, f2 males are black, brown, gray, or tan, f2 females are cream, gray, silver, or tan. select the correct statements regarding the mode of inheritance of the coat color genes. a) both genes are x-linked. b) both genes are autosomal. c) one of the genes modifies the expression of the other gene. d) each gene has an additive effect on the intensity of coat color. e) each gene independently specifies three colors. f) one of the genes is autosomal, and the other is x-linked.