BIOL 1108 EXAM 1 2026 QUESTIONS
AND ANSWERS WITH
COMPREHENSIVE SOLUTIONS –
FULLY UPDATED GUARANTEED
SUCCESS
How are the non-living parts of an ecosystem categorized?
✔✔ Abiotic factors are the physical and chemical components of an
environment, such as sunlight, temperature, and minerals.
What term is used for the biological entities within an ecosystem?
✔✔ Biotic factors refer to every living organism that occupies a specific
environment and the interactions between them.
Which biome classification is associated with the Mount St. Helens region?
✔✔ Mount St. Helens is located within a temperate rainforest biome.
What defines an old-growth forest?
✔✔ An old-growth forest is a highly biodiverse area that has never been
harvested for timber, supporting complex ecosystems and a wide variety of
wildlife.
What is meant by the term "rich soil" in a botanical context?
✔✔ Rich soil refers to earth that contains a high concentration of the essential
nutrients required for vigorous plant growth.
, Which specific area of Mount St. Helens experienced a total loss of life during the
eruption?
✔✔ Nothing survived on the pumice plain following the volcanic event.
tephra
bits of rock or solidified lava dropped from the air
dispersal
how seeds/spores are spread from the parent plant
wind dispersal
very long distance, random
animal dispersal
distance varies
water dispersal
either splashes or long distance
gravity dispersal
rolls downhilol
AND ANSWERS WITH
COMPREHENSIVE SOLUTIONS –
FULLY UPDATED GUARANTEED
SUCCESS
How are the non-living parts of an ecosystem categorized?
✔✔ Abiotic factors are the physical and chemical components of an
environment, such as sunlight, temperature, and minerals.
What term is used for the biological entities within an ecosystem?
✔✔ Biotic factors refer to every living organism that occupies a specific
environment and the interactions between them.
Which biome classification is associated with the Mount St. Helens region?
✔✔ Mount St. Helens is located within a temperate rainforest biome.
What defines an old-growth forest?
✔✔ An old-growth forest is a highly biodiverse area that has never been
harvested for timber, supporting complex ecosystems and a wide variety of
wildlife.
What is meant by the term "rich soil" in a botanical context?
✔✔ Rich soil refers to earth that contains a high concentration of the essential
nutrients required for vigorous plant growth.
, Which specific area of Mount St. Helens experienced a total loss of life during the
eruption?
✔✔ Nothing survived on the pumice plain following the volcanic event.
tephra
bits of rock or solidified lava dropped from the air
dispersal
how seeds/spores are spread from the parent plant
wind dispersal
very long distance, random
animal dispersal
distance varies
water dispersal
either splashes or long distance
gravity dispersal
rolls downhilol
