Biocides Are Used in Canada's Forests to ________

question 59

Multiple Choice

Biocides are used in Canada's forests to ________.

• A) protect conifer seedlings from insect damage
• B) ensure success of desired tree species for future harvesting
• C) increase competition with seedlings on replanted sites
• D) maximize the growth of early successional species

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Definitions:

Teratogens

Agents, such as chemicals or viruses, that can reach the embryo or fetus during prenatal development and cause harm.

Diethylstilbestrol

A synthetic estrogen that was prescribed to pregnant women to prevent miscarriages and premature labor, later found to cause significant health issues.

Blastocyst

A stage of early embryonic development in mammals; it is a structure formed about five days after fertilization, consisting of an inner cell mass, a fluid-filled cavity, and an outer layer of trophoblast cells.

Placenta

During pregnancy, an organ arises in the uterus, serving to deliver essential nutrients and oxygen to the developing baby, as well as clearing out the baby’s metabolic waste.