Create a food chain that is 4 trophic levels using our desert ecosystem. The food chain

2 answers:

8 0

Level 1: Plants and algae make their own food and are called producers. Level 2: Herbivores eat plants and are called primary consumers. Level 3: Carnivores that eat herbivores are called secondary consumers. Level 4: Carnivores that eat other carnivores are called tertiary consumers.

Naily [24]4 years ago

4 0

Answer:

trial producers_primary consumers_secondary consumers_tertiary

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Wild type sweet pea plants have red flowers and long pollen. These two traits are dominant to white flowers and short pollen.A w

fredd [130]

Answer:

FfPp

Explanation:

If we take the two traits to be separate alleles, we can make flowers F (F is dominant; f is recessive) and pollen as P (P is dominant; p is recessive). So a pea plant with white flowers (recessive) and long pollen (dominant) will have the genotype ffPp or ffPP (because one dominant allele will express a dominant phenotype).

For this question, we will assume that the wild type (red flowers and long pollen) is homozygous, meaning it contains two dominant alleles.

If the wild type (FFPP) is crossed with the plant with white flowers and short pollen (ffpp), we can make a table illustrating the crosses. However, because there is only one possible gamete that each parent can form (FP and fp), we can assume that the F1 progeny will have identical genotypes, which can be expressed as FfPp (because combining the gamete from the wild type and the other parent can only give one phenotype).

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You are interested in studying a gene called CFTR because mutations in this gene in humans cause cystic fibrosis. You have made

inna [77]

Answer:

C) The mouse CFTR gene and human CFTR gene encode proteins that can serve a similar function.

Explanation:

CFTR gene encodes for Cystic fibrosis transmembrane conductance regulator protein. It is ion channel protein and conducts chloride ions across the cell membrane. Its mutation leads to cystic fibrosis which is characterised by presence of thickened mucus in lungs with frequent infections.

In the given experiment, human CFTR gene is able to function in mouse and restore the lost body functions. This is because human and mouse CFTR gene show high level of similarity due to which they code similar proteins which can function in each other's place. However this does not mean that DNA sequence of the genes is identical. There is still some difference between them because they are two different species.

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Create a food chain that is 4 trophic levels using our desert ecosystem. The food chain​

Create a food chain that is 4 trophic levels using our desert ecosystem. The food chain