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1 year ago

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Most of the minerals within an ecosystem are recycled and returned to the environment by direct activities of organisms known as

...
a. autotrophs such as plants and algae
b. heterotrophs such as fish
c. heterotrophs such as snails
d. decomposers such as micro organisms

1 answer:

yKpoI14uk [10]1 year ago

4 0

D. Decomposers return everything back to the environment

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A meteorologist would use a radar to follow the path of an approaching thunderstorms

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2 years ago

Write a short discussion describing trends in the data: compare the control cups (distilled water) versus the experimental cups

Eva8 [605]

Answer:

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Explanation:

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1 year ago

The destruction of salt marshes will directly harm each organism except _____. migratory birds deep ocean squid shellfish sparti

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Salt marshes are diverse ecosystems because there are resources from both

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2 years ago

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What is shown in the image below? A food web titled Chesapeake Bay Waterbird Food Web. It shows a very complex food web with man

ELEN [110]

Answer A)

As the diagram shows, there are five trophic levels which can be seen in this food web. The first trophic level is the organisms which are able to produce their own food by the process of photosynthesis. These include organisms like phytoplankton, S A V, vegetation. The second trophic level is that of the herbivores which includes zooplankton, benthic invertebrates, herbivorous ducks, geese and mute swans. The third trophic level is the primary consumes which includes small planktivorous fish, bivalves. The fourth trophic level is the secondary consumers which includes gulls and terns, wading birds, large piscivorous fish, sea ducks, tundra swan. The fifth torphic level is that of the tertiary consumers which includes osprey, bald eagle.

Answer B)

Produces are organism which can make their own food.<em> An example of producers in this question is phytoplankton.</em>

Herbivores are organism which only feed on the primary producers.<em> An example of herbivores in the given question is herbivorous ducks.</em>

Carnivores can be described as organisms which feed on other animals. <em>An example of carnivores in the given question is bald eagle.</em>

Answer C)

As energy moves up the trophic levels in a food chain or food web, it reduces abundantly. This is because most of the energy is lost at each trophic level in the form of heat. Only 10% of energy is recorded to be transferred from one trophic level to another. The rest is lost mainly in the form of heat to the environment.

Answer No D)

1) Carbon moves from the plants to the animals which eat them.

2) The carbon dioxide released into the atmosphere by animals is taken by the plants for the process of photosynthesis.

3) When animals die, the carbon compounds present in them gets decomposed in the soil. These carbon compounds are taken in by the plants from the soil as nutrients.

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1 year ago

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In horses, the Overo gene, Ov, produces a white splotch pattern on the coat. The overo phenotype is seen only when a horse has o

Anuta_ua [19.1K]

The question is incomplete. Here is the complete question.

In horses, the Overo gene, <em>Ov</em>, produces a white splotch pattern on the coat. The overo phenotype is seen only when a horse has one Ov copy, <em>Ovov</em>. Horses with two <em>Ov</em> copies, <em>OvOv</em>, die soon after birth are called white overo because they are completely white. Horses with no <em>Ov </em>copies are solid colored, <em>ovov</em>.

The Leopard complex gene, <em>Lp</em>, shows incomplete dominance and controls white spotting. One <em>Lp </em>allele, <em>Lplp</em>, produces the leopard phenotype, in which there are spots everywhere. Two <em>Lp</em> alleles, <em>LpLp</em>, produce the fewspot phenotype, in which the horse is mostly white with colored spots.

A horse that is both overo and leopard is called pintaloosa, and these horses are spotted with splotches. A horse that is overo and fewspot is considered fewspot because the white areas from <em>Lp</em> is indistinguishable from the white from <em>Ov</em>.

Suppose that 16 pairs of pintaloosa horses have one offpring per pair. How many each phenotype would be expected? Determine the number out of 16 expected for each phenotype. Only count phenotypes of offspring expected to live past one week of age.

overo:

white overo:

fewspot:

Answer: Overo: 2

White overo: 0

Fewspot: 3

Explanation: Pintaloosa is a "combination" of overo and leopard, so the pair's genotype is OvovLplp.

To cross a pair, use Punnet Square and to facilitate, use the square for each characteristics:

Punnett Square For overo and white overo:

Ov ov

Ov OvOv Ovov

ov Ovov ovov

Analysing this Punnett square, notice that there are 2 individuals who will carry the genotype for overo (Ovov) phenotype. So, 2 out of the 16 pair will have an overo phenotype.

Since white overo is recessive (ovov) and doesn't survive past birth, there will be zero horses with that phenotype.

Punnett Square For leopard and fewspot:

Lp lp

Lp LpLp Lplp

lp Lplp lplp

From this square, notice that there are 1 individual who is fewspot. However, a horse that is overo <u>and</u> fewspot is considered fewspot, so for the 16 pair, 3 out 16 will be fewspot.

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1 year ago