Choose all the right answers.

When can a plant begin to produce its own food?

-after fertilization

-when the first leaves are formed

-as soon as photosynthesis starts

-as soon as the seed is watered

One difference between cell division in plant cells and in animal cells is that plant cells have__? A) centrioles. B) centromeres. C) a cell plate. D) chromatin.

What nonmetallic mineral resources is used both as a building material and as an industrial mineral? sulfur limestone graphite corundom

Rock that forms from particles put down by water or wind is igneous rock

Opossums are solitary animals that usually meet in nature only to mate. What is their probable distribution pattern?

In corn, blue kernels are produced by a dominant allele of a coloration gene, and white kernels are produced in individuals homozygous for a recessive allele of the same coloration gene.

Which of the following is an example of a natural resource? a. water b. ice c. oxygen d. all of the above

A student studying the following pedigree states that person #9 is homozygous for a dominant trait. Explain how she was able to determine this ... A) because both male and female members of this family display the trait.

It is more common for drug-related deaths to be a result of what of drug-taking behavior? multiple-drug (polydrug) overdose of a single drug drug abuse after alcohol poisoning

What are the possible effects of contaminated water on the health of an individual or community? Explain your answer in terms of what causes the contamination, the types of infectious agents involved in the related diseases, and how these diseases

When a mass increases, its gravitational force A. Increases B. decreases C. stays the same