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3 years ago

Which of the following would most likely happen if a new primary consumer was introduced to the ecosystem?

Biology

2 answers:

mamaluj [8]3 years ago

6 0

<span>a)there would be a decrease in consumers
</span>

ella [17]3 years ago

5 0

Answer:

C) there would be a decline in the populations of primary producers

Explanation:

If a new primary consumer were introduced to the ecosystem, there will be more consumers with the same population of primary producers, wich means that it would be a decline in this populations. There would be more species that consumes, that species that produces.

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How many trophic levels are represented in New Zealand'sestuarine community shown in the food web below?

spin [16.1K]

Two trophic levels
Typically there are three or four trophic levels in a community because after this point, it becomes very hard to sustain organisms. The amount of energy lost at each trophic level makes it harder and harder to sustain life.

8 0

3 years ago

The stained Gram-positive bacteria appear _____ under the microscope.

rusak2 [61]

After crystal violet staining, the Gram-positive bacteria may appear dark blue or violet. The cell wall of gram positive bacteria have thick peptidoglycan layer, thus it retains the crystal violet stain compared to gram negative bacteria.
Hope this helps! Have a good day!

8 0

2 years ago

4. What genotypes of parents will have only white-fur offspring? Parent 1 genotype = Parent 2 genotype = What genotypes of paren

AnnZ [28]

Answer:

All white offspring: Parent 1 genotype = homozygous dominant

Parent 2 genotype = homozygous/heterozygous dominant

For all black offspring: Parent 1 genotype = homozygous recessive

Parent 2 genotype = homozygous recessive

Explanation:

The cross was between a white mouse and a black mouse and the phenotypic ratio of the resulting offspring is 50% white and 50% black.

Assuming that fur color in the mouse is represented by the allele A (a), In order to give 1:1 phenotypic ratio of the offspring, it means the white mouse is heterozygous with Aa genotype and the black mouse is homozygous with aa genotype. Also, it means that the allele A is dominant over the allele a.

Aa x aa

Aa Aa aa aa

Aa = white

aa = black

Ratio of white to black = 50/50 or 1:1

Hence, in order for a cross to yield only white offspring, the parents can either be homozygous AA and AA or one will be homozygous AA and the other will be heterozygous Aa.

1. AA x AA

AA AA AA AA (all white offspring)

2. AA x Aa

AA Aa AA Aa (all white offspring).

In order to produce only black offspring, both parents must be homozygous aa.

aa x aa

aa aa aa aa (all black offspring)

4 0

3 years ago

(SCIENCE)

LiRa [457]

C. according to Earth's existing magnetic field.

4 0

3 years ago

Read 2 more answers

Imagine carefully weighing a metal can, leaving it out in the rain for weeks and weeks until it was very rusted, and then carefu

Doss [256]

Answer:

heavier! ( depends what type of metal can)

Explanation:

Rusting has to do something with corrosion and involves oxygen.So basically, when oxygen is added to the system process, this what makes the metal can become heavier.

3 0

3 years ago