Ladybird beetles such as the one shown are predators of aphids and serve as
natural controls for these crop-damaging insects.

What is one advantage of their use as a green agricultural practice compared with conventional agricultural practices?

a. it prevents water pollution.

b. it prevents air pollution.

c. it prevents soil erosion.

d. it protects endangered species.

Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.

The science for classifying and naming organisms is known as

If t=tall and t=short what will be the physical appearance of the offspring the cross below? a.some will be tall and some will be short b.they will all be tall c.they will all be short d.they will be medium height