Exam 1 Bio 1108_ MSH
2026-2027
Expert-Verified Questions and Answers
(With A+ Grades Guarantee)
, What significant volcanic event occurred at Mount St A volcanic eruption that destroyed much of the ecosystem.
Helens in the 1980s?
How did the eruption of Mount St Helens change the The eruption caused a landslide, altering the mountain's shape.
mountain's shape?
What was unique about the direction of the Mount St The eruption went out the side of the mountain instead of upwards.
Helens eruption?
What are the defining characteristics of a species? Organisms must survive and reproduce to produce viable offspring, sharing
common traits and genetic similarities.
What is a population in ecological terms? All individuals of living things that interact in a specific place.
How is an ecosystem defined? A biological community and their physical environment, including both biotic and
abiotic factors.
What are abiotic factors in an ecosystem? Climate, geology, soil, and disturbances (natural or human).
What types of natural disturbances can affect ecosystems? Fires, floods, volcanoes, hurricanes, tornadoes, and dust storms.
What are some examples of human disturbances to Pollution (light, chemical, noise, water, etc.).
ecosystems?
What is biomass in an ecological context? The amount of living things present in an ecosystem.
What defines a biome? A broad vegetation category, such as tropical rainforest or tundra.
Where is Mount St Helens located? In Washington state, part of the Cascade Mountains.
What biome is Mount St Helens classified as? Temperate Rainforest.
What is the climate like in the Pacific Northwest, where Mild and wet year-round, with infrequent fires and volcanic events.
Mount St Helens is located?
What type of forest existed at Mount St Helens before the An 'old growth' forest that had never been logged or impacted by humans.
volcanic event?
2026-2027
Expert-Verified Questions and Answers
(With A+ Grades Guarantee)
, What significant volcanic event occurred at Mount St A volcanic eruption that destroyed much of the ecosystem.
Helens in the 1980s?
How did the eruption of Mount St Helens change the The eruption caused a landslide, altering the mountain's shape.
mountain's shape?
What was unique about the direction of the Mount St The eruption went out the side of the mountain instead of upwards.
Helens eruption?
What are the defining characteristics of a species? Organisms must survive and reproduce to produce viable offspring, sharing
common traits and genetic similarities.
What is a population in ecological terms? All individuals of living things that interact in a specific place.
How is an ecosystem defined? A biological community and their physical environment, including both biotic and
abiotic factors.
What are abiotic factors in an ecosystem? Climate, geology, soil, and disturbances (natural or human).
What types of natural disturbances can affect ecosystems? Fires, floods, volcanoes, hurricanes, tornadoes, and dust storms.
What are some examples of human disturbances to Pollution (light, chemical, noise, water, etc.).
ecosystems?
What is biomass in an ecological context? The amount of living things present in an ecosystem.
What defines a biome? A broad vegetation category, such as tropical rainforest or tundra.
Where is Mount St Helens located? In Washington state, part of the Cascade Mountains.
What biome is Mount St Helens classified as? Temperate Rainforest.
What is the climate like in the Pacific Northwest, where Mild and wet year-round, with infrequent fires and volcanic events.
Mount St Helens is located?
What type of forest existed at Mount St Helens before the An 'old growth' forest that had never been logged or impacted by humans.
volcanic event?
