Quiz: Human Impact on Ecosystems 8:Human Impact and Technology

Introduced species often take over an ecosystem because they usually

have more offspring

have no competitors

O make better predators

O need fewer resources

Sucrose water glucose fructose which describe the chemical reaction taking place

Arid and semiarid lands are prone to desertification because of

Lungs and gills are structurally different, but perform like functions in vertebrates. Both lungs and gills A) take up oxygen and release nitrogen as waste. Eliminate B) take up carbon dioxide and release oxygen as waste.

If a plant cell contains more solutes than its surrounding environment, what will happen?

Looking at the trait of hair length (long and short), determine the genotype for the female cat in the P generation, if possible. The male cat in the P generation is homozygous recessive for this trait.

1pt Blood is made up of A. nutrients, minerals, fats, and proteins B. oxygen, carbon dioxide, and sugar C. plasma, red blood cells, white blood cells, and platelets D. bone marrow cells and water

One of the first breakthroughs in biotechnology was the discovery of the gene that makes insulin. Part of this process involved scientists making DNA to match each possible sequence of insulin mRNA. What was the next step of this process? A.

Which of these modes of transmission require a bodily opening either natural or artificial?

Which factor is a characteristic of an acid? A. Non-corrosive B. Soapy C. Sour D. Slippery

How are unique daughter cells created in meiosis? A. Homologous pairing B. Crossing over C. Mutation during reduction Division D. Zygote fertilization