A change in a physical property of matter can indicate

A: neither a physical nor a chemical change.

B: a physical change only.

C: a chemical change only.

D:a physical change or a chemical change.

In order to construct your own food web what information would you need to know?

What is a prosthesis?

In which era did modern man first appear? A) Cenozoic B) Precambrian C) Mesozoic D) Paleozoic

Heterotrophs that eat animal

What is the correct term that describes the tendency of a plant to grow towards light

The maxinmum numbers of individuals of a particular species that a partiticlar environment can support is its

What is the layer of the atmosphere 20 km above Earth's surface

An experiment was conducted to determine which type of fruit attracts the most fruit flies. Equal sized pieces of apple, pear, and banana were placed in separate containers at different areas around the school.

In the F2 generation of Mendel's crosses, A. all plants had the dominant trait. B. half of the plants had the dominant alleleC. all plants had both the dominant and recessive alleles. D. one in four plants had two alleles for the recessive trait.

In a population, when the birthrate becomes higher than the death rate, the population's growth rate A) decreases. B) increases. C) slows to a stop. Eliminate D) levels off and remains constant.