Select the correct answer.

David wants to improve the food shortage situation in his country. Which of these fields of biology should he study?

A. pathology

OB. agriculture

O

C.

evolutionary biology

Which Of the following types of diseases, which one would give you maximum certainty of the genotypes for all affected individuals based on their phenotypes? A. X-linked recessive disease with non-zero phenocopies. B.

In a population of tree frogs, the allele that causes yellow eyes (Y) is dominant over the allele that causes orange eyes (y). If 85% of the frogs have yellow eyes, what is the frequency of the dominant allele?

If nearly all organisms break down food by the process of cellular respiration, why doesn't the Earth run out of oxygen? Where does the CO2 waste go?

Which of the following do groups of different tissues form? A) organ B) organelle C) organ system D) organism

How does the nervous system contribute to homeostasis throughout the body?

What is an alternitive energy source

A student is working in a DNA analysis laboratory and performs numerous DNA isolations from eukaryotic cells.

Many dinosaur bones have been found. why do we have little information about other parts of dinosaur's bodies?

What are the four parts of an insect?

Dna differs from rna in that dna select one: a. contains deoxyribose. b. contains uracil and rna does not. c. carries genetic information and rna cannot. d. is present in the cytosol and rna is not. e. is often single-stranded.