Describe the factors that are contributing to the biodiversity extinction crisis we are currently experiencing.
What will be an ideal response?
Habitat loss: human alteration, occupation, and degradation of habitat of nearly every biome is contributing to the loss of biodiversity.
Alien species: nonnative species are introduced into an ecosystem that often out-compete the native species. This causes the populations of native species to decrease in size.
Pollution: human-influenced pollution brings about environmental changes that adversely affect the lives and health of living organisms. Acid deposition, climate change, and biomagnification are leading to species extinction.
Overexploitation: when the number of individuals taken from a population exceeds the ability of the population to replace them, the overall population size will decrease.
Disease: emerging diseases can impact wildlife as much as it can impact humans and domestic animals. With climate change occurring, various diseases are expanding their original range.
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Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
What will be an ideal response?
Which process involves antibodies cross-linking cells or particles into large aggregates?
A. Neutralization B. Opsonization C. Complement fixation D. Agglutination E. Anamnestic response
Blood passing through the capillary beds of the digestive tract pass through which vessel that takes
blood to the liver? a. inferior vena cava b. abdominal aorta c. hepatic portal vein d. hepatic artery e. hepatic vein
Birds and insects both have wings, but we do not consider this similarity as evidence of relatedness because
A. the wings are not homologous structures with a common ancestral origin. B. bird wings, but not insect wings, function on the physics principles of lift. C. there is no fossil link between these groups. D. birds and insects did not evolve in the same region or live at the same time period. E. insect wings are vestigial.