Crossing over normally takes place during which processes?

What process can cause water in aquifers to become brackish and unusable for agriculture? A) volcanic activity B) eutrophication C) erosion D) groundwater infiltration

Are forests a renewable resource? Are they ordinarily used in a renewable way? How can forests be used more sustainably?

The cells within an organism consistently divisor the process of blank. As a result of this process more cells are made so organisms can grow and repair themselves

In which organism does respiration not take place in the mitochondria? * A) bacteria B) maple tree C) seaweed D) yeast

What two organs remove dead red blood cells from the body?

Which of the following occurs while homologous chromosomes are paired up? A. They create 2 haploid cells. B. They contain 6 chromatids. C. They exchange portions of their DNA. D. They produce two diploid cells.

Pinocytosis is an example of

Gases such as oxygen and carbon dioxide cross the plasma membrane by

Describe how a cell produces and releases proteins.

During a trip to Galapagos island which Observation led Charles Darwin to suspect that organisms change over time