PRAXIS CRAM - BIOLOGY 5236 Exam with and | Questions and Answers with Verified Solutions | Latest Update 2026

PRAXIS CRAM - BIOLOGY 5236 Exam with and | Questions
PRAXIS CRAM - BIOLOGY 5236 Exam with and | Questions
and Answers with Verified Solutions | Latest Update 2026
and Answers with Verified Solutions | Latest Update 2026




Question: Pros of stem cell research
Answer:
Curing genetic diseases Growing skin for burn victims Growing new organs

Question: Cons of stem cell research
Answer:
Harvesting embryonic stem cells kills the embryo, what constitutes a viable embryo?

Question: Cons of genetically modified foods
Answer:
Man should not interfere, allergens, modifications not contained-could pass in to wild species

Question: Cons of cloning
Answer:
- reduced gene pool - animals less healthy - worries that humans could be cloned and born with
severe health problems

,Question: Pros of cloning
Answer:
- used for medical research - Therapeutic cloning - Can save endangered species

Question: concerns of genetic testing
Answer:
Is it a medical test? Some do not want to know, privacy (who keeps results?), philosophical (do
genes determine behavior?)

Question: scientific theory
Answer:
a well-tested concept that explains a wide range of observations

Question: scientific fact
Answer:
a direct and repeatable observation of any aspect of the natural world

Question: Hypothesis
Answer:
A testable prediction, often implied by a theory An educated guess

Question: scientific law
Answer:
A statement that describes what scientists expect to happen every time under a particular set of
conditions

Question: scientific model
Answer:
a representation of an object or event that can be studied to understand the real object or event

,Question: Scientific Method
Answer:
A series of steps followed to solve problems including collecting data, formulating a hypothesis,
testing the hypothesis, and stating conclusions.

Question: sig fig rules
Answer:
1) non-zero digits and zeros in-between them are sig figs

Question: 2) leading zeros (0.04) are not sig figs 3) trailing zeros with a decimal are sig figs
(without a decimal are not
Answer:


Question: greenhouse effect
Answer:
Natural situation in which heat is retained in Earth's atmosphere by carbon dioxide, methane, water
vapor, and other gases

Question: greenhouse gases
Answer:
Gases such as carbon dioxide, methane, nitrous oxide, water vapor, and ozone in the atmosphere
which are involved in the greenhouse effect.

Question: ozone depletion
Answer:
thinning of Earth's ozone layer caused by CFC's leaking into the air and reacting chemically with the
ozone, breaking the ozone molocules apart

Question: free radicals
Answer:
chemical particles with an odd number of electrons

, Question: Human impacts on ecosystems
Answer:
Acid rain, ozone depletion, deforestation, urbanization, accelerated species loss, genetic
abnormalities, endocrine disruption in populations, and harm to individual animals.

Question: global warming
Answer:
An increase in the average temperature of the earth's atmosphere (especially a sustained increase
that causes climatic changes)

Question: acid rain
Answer:
Rain containing acids that form in the atmosphere when industrial gas emissions (especially sulfur
dioxide and nitrogen oxides) combine with water.

Question: Eutrophication
Answer:
A process by which nutrients, particularly phosphorus and nitrogen, become highly concentrated in
a body of water, leading to increased growth of organisms such as algae or cyanobacteria.

Question: landfill
Answer:
The disposal of refuse and other waste material by burying it and covering it over with soil (leads to
methane greenhouse gas)

Question: independent variable
Answer:
The experimental factor that is manipulated; the variable whose effect is being studied.