Why are environmentalists concerned about the introduction of genetically engineered trees? a. Genetically engineered trees are not regulated. b. Genetically engineered trees could have unexpected interactions with organisms of natural ecosystems. c. Genetically engineered trees decrease the biodiversity of natural ecosystems. d. All of the above

b. Genetically engineered trees could have unexpected interactions with organisms of natural ecosystems.

Explanation:

A genetically engineered tree has had it's dna undergo certain modifications through the use of genetic engineering techniques. Such trees are made to have faster growth rate, resistance to insects and diseases. Environmentalists are concerned about these trees and how they could affect the natural environment causing adverse effects to the natural organisms of the ecosystem.

i would say the prokaryotic cells the prokaryotic cells are less complex, are usually found only in unicellular organisms and have more limited capabilities than eukaryotic cells.

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a