Explain the term niche

The process through which humans breed other animals and plants for particular traits: A) artificial selection B) genetic engineering C) genes D) selective breeding E) traits

In an area that has a Rain Shadow, the air changes as it moves. Explain the characteristics of the air at the following locations. 1. Over water 2. At the base of the mountain 4. Back down the other side of the mountain

A mutation may be passed along to human offspring A) through mitosis only. B) through meiosis only. C) through both mitosis and meiosis. D) through neither mitosis nor meiosis.

Which types of molecules make up the majority of a cell's plasma membrane? A. DNA and RNA B. proteins and lipids C. salts and water D. sugars and starches

The genetic material that determines traits in a cell consists of DNA. How many different nucleotide bases are in DNA?

An example of a parallel choice on a dichotomous key is

Describe one way the human respiratory system degrades over our lifespans, and explain one environmental condition that could cause an unnatural degradation as someone ages, including why that environmental condition harms their respiratory system.

Which is the mechanism by which improper excision of a prophage from a bacterial chromosome results in packaging of bacterial genes near the integration site into a phage head?

The tundra biome has extremely cold temperatures during much of the year and a hard sublayer of permanently frozen soil called permafrost. Which of the following adaptations would plants in the tundra most likely have? A.

When plants of a particular species are growing too close to each other, crowding may eventually lead to mortality, known as self-thinning. this type of mortality is density-dependent. oscillating. exponential. density-independent. random?