12/15/2025
MODEL ANSWERS
STRAIGHTERLINE BIO 101 Exam With In-Depth Questions &
Model Answers (2026) 100% correct
Smallest unit that has all of the characteristics of life ANSWER>>>>cell
Nutrient molecules are used to build cellular structures or for energy. This best represents which characteristic
of life? ANSWER>>>>living things acquire materials and energy from the
Environment
Organs are composed of tissues, which are composed of cells. This is an example of which characteristic of life?
ANSWER>>>>living things have levels of hierarchical organization
Which statement concerning reproduction is false? ANSWER>>>>the offspring of multicellular organisms
tend to be identical to the parent
Technology is the ANSWER>>>>application of scientific knowledge for a practical purpose
, STRAIGHTERLINE BIO 101 EXAM WITH IN-DEPTH QUESTIONS &
12/15/2025
MODEL ANSWERS
2:
Which of the following is a potential consequence if people stop using technology in the agriculture industry?
ANSWER>>>>there could be a significant decrease in the amount of food produced
If a new anti-cancer drug is found to be effective in initial tests with mice, what might
Researchers conclude? ANSWER>>>>the drug is effective in the mouse model; it must still be tested in humans
Which statement regarding science technology is false? ANSWER>>>>science technology is a basis for all
ethical or moral decisions
Which of the following is one of the domains of life? ANSWER>>>>Eukarya
You have discovered a previously unknown organism. It is multicellular, with a filamentous form, and absorbs
food from its environment. Upon microscopic examination, you see that the cells have nuclei. How would you
classify this organism? ANSWER>>>>kingdom fungi
Which domains contain organisms that lack a membrane-bound nucleus
ANSWER>>>>archaea and bacteria
Corn belongs to the kingdom ANSWER>>>>plantae
Which of these classification categories contains the closest related group of organisms?
ANSWER>>>>genus
, STRAIGHTERLINE BIO 101 EXAM WITH IN-DEPTH QUESTIONS &
12/15/2025
MODEL ANSWERS
3:
What is the correct formal for the binomial name of human beings? ANSWER>>>>Homo sapiens
A physician specializes in surgery involving the following group of organs: mouth, esophagus, stomach, and
intestines. Overall, what is the highest level of organization that this physician is specialized in?
ANSWER>>>>organ system
Which sequence correctly lists the different levels of biological organization, from the smallest and simplest to
the largest and most complex? ANSWER>>>>cell-tissues-organ-organ systems-organisms
Which statement about an ecosystem is incorrect? ANSWER>>>>there is a community of organisms, but
no non-living components
When comparing energy and chemicals in an ecosystem, ANSWER>>>>chemicals cycle over and over
again but energy flows through once
All the organisms of carious species living within a given area constitute a(n)
ANSWER>>>>community
Which of the following is of least importance when concerning the preservation of an
Ecosystem? ANSWER>>>>preservation of an ecosystem allows humans to exploit as many resources as
possible
The most important factor that determines where major ecosystems are located on the globe is
, STRAIGHTERLINE BIO 101 EXAM WITH IN-DEPTH QUESTIONS &
12/15/2025
MODEL ANSWERS
ANSWER>>>>climate