RIO BIO 156 PROFESSIONAL MIDTERM
EXAMINATION 2026 FULL QUESTIONS
WITH EXPERTLY ANALYZED PRECISE
CORRECT ANSWERS GRADED A+
⩥ What is our current rate of extinction? Answer: 1000x faster than the
normal rate
⩥ Explain what the largest cause of extinction is: Answer: Humans and
human nature
⩥ List the order of components of "organization of life" (smallest to
largest): Answer: atom, molecule, cell, tissues, organs, organisms,
population, community, ecosystem, biosphere (earths crust, atmosphere)
⩥ Which stage in organization of life does life emerge? Answer: The cell
⩥ Identify two categories in which all living things are classified:
Answer: Prokaryotic and eukaryotic
⩥ Flow of energy and cycling of materials in the world of life: Answer:
producers to consumers, they get energy from sunlight and the cycle
continues
, ⩥ Define homeostasis: Answer: process by which organism keeps
internal conditions
⩥ List three things all living organisms strive for: Answer: 1. growth
2. reproduction
3. pass on DNA
⩥ Define biodiversity: Answer: scope of variation among living
organisms
⩥ Define nucleus: Answer: double-membrane sac that encloses DNA
⩥ Which classification group do organisms with nuclei appear? Answer:
Eukaryotes
⩥ Which classification group do bacteria and archaea appear? Answer:
Prokaryotes
⩥ Define species: Answer: unique kind of organism
⩥ Explain order of taxa from most to least exclusive: Answer: Domain,
Kingdom, Phylum, Class, Order, Family, Genus, Species, Common
name
EXAMINATION 2026 FULL QUESTIONS
WITH EXPERTLY ANALYZED PRECISE
CORRECT ANSWERS GRADED A+
⩥ What is our current rate of extinction? Answer: 1000x faster than the
normal rate
⩥ Explain what the largest cause of extinction is: Answer: Humans and
human nature
⩥ List the order of components of "organization of life" (smallest to
largest): Answer: atom, molecule, cell, tissues, organs, organisms,
population, community, ecosystem, biosphere (earths crust, atmosphere)
⩥ Which stage in organization of life does life emerge? Answer: The cell
⩥ Identify two categories in which all living things are classified:
Answer: Prokaryotic and eukaryotic
⩥ Flow of energy and cycling of materials in the world of life: Answer:
producers to consumers, they get energy from sunlight and the cycle
continues
, ⩥ Define homeostasis: Answer: process by which organism keeps
internal conditions
⩥ List three things all living organisms strive for: Answer: 1. growth
2. reproduction
3. pass on DNA
⩥ Define biodiversity: Answer: scope of variation among living
organisms
⩥ Define nucleus: Answer: double-membrane sac that encloses DNA
⩥ Which classification group do organisms with nuclei appear? Answer:
Eukaryotes
⩥ Which classification group do bacteria and archaea appear? Answer:
Prokaryotes
⩥ Define species: Answer: unique kind of organism
⩥ Explain order of taxa from most to least exclusive: Answer: Domain,
Kingdom, Phylum, Class, Order, Family, Genus, Species, Common
name
