NAS2 Challenge Exam 2024/2025 Exam
Questions and Detailed Answers | Get it
100% Correct Answers
Purpose of Scientific Method - 🧠ANSWER ✔✔solve a problem or answer a
question
Question, Hypothesis, Experiment, Observe & Record, Analyze, Conclude -
🧠ANSWER ✔✔steps of scientific method
Independent variable - 🧠ANSWER ✔✔a variable that stands alone and
isn't changed by the other variables you are trying to measure, change or
controlled
example: age
dependent variable - 🧠ANSWER ✔✔a variable dependent on other factors,
tested or measured
example: test score - factors that go into a score you receive on a test
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,control group - 🧠ANSWER ✔✔does not receive treatment and used to
compare or measure the other subjects
experimental group - 🧠ANSWER ✔✔exposed to changes in independent
variable
anatomy - 🧠ANSWER ✔✔branch of science concerned with bodily
structure of living organisms; structure
physiology - 🧠ANSWER ✔✔science dealing with the functions of living
things or their organs
level of organization - 🧠ANSWER ✔✔living things arranged from the
simplest to most complex are:
organelle
cells
tissues
organs
organ systems, organism
populations communities
ecosystem
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED
, biosphere
requirements for life - 🧠ANSWER ✔✔Cellular organization
Reproduction
Metabolism
Homeostasis
Heredity
Response to stimuli
Growth and development
Adaptation through evolution
survival needs - 🧠ANSWER ✔✔Food, oxygen, water, body temperature,
atmospheric pressure (oxygen/carbon dioxide exchange)
homeostasis - 🧠ANSWER ✔✔relatively constant internal physical and
chemical conditions that organisms maintain
receptor - 🧠ANSWER ✔✔senses environmental stimulus and sends info to
control center
control center - 🧠ANSWER ✔✔hypothalamus
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 3
STATEMENT. ALL RIGHTS RESERVED
Questions and Detailed Answers | Get it
100% Correct Answers
Purpose of Scientific Method - 🧠ANSWER ✔✔solve a problem or answer a
question
Question, Hypothesis, Experiment, Observe & Record, Analyze, Conclude -
🧠ANSWER ✔✔steps of scientific method
Independent variable - 🧠ANSWER ✔✔a variable that stands alone and
isn't changed by the other variables you are trying to measure, change or
controlled
example: age
dependent variable - 🧠ANSWER ✔✔a variable dependent on other factors,
tested or measured
example: test score - factors that go into a score you receive on a test
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 1
STATEMENT. ALL RIGHTS RESERVED
,control group - 🧠ANSWER ✔✔does not receive treatment and used to
compare or measure the other subjects
experimental group - 🧠ANSWER ✔✔exposed to changes in independent
variable
anatomy - 🧠ANSWER ✔✔branch of science concerned with bodily
structure of living organisms; structure
physiology - 🧠ANSWER ✔✔science dealing with the functions of living
things or their organs
level of organization - 🧠ANSWER ✔✔living things arranged from the
simplest to most complex are:
organelle
cells
tissues
organs
organ systems, organism
populations communities
ecosystem
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED
, biosphere
requirements for life - 🧠ANSWER ✔✔Cellular organization
Reproduction
Metabolism
Homeostasis
Heredity
Response to stimuli
Growth and development
Adaptation through evolution
survival needs - 🧠ANSWER ✔✔Food, oxygen, water, body temperature,
atmospheric pressure (oxygen/carbon dioxide exchange)
homeostasis - 🧠ANSWER ✔✔relatively constant internal physical and
chemical conditions that organisms maintain
receptor - 🧠ANSWER ✔✔senses environmental stimulus and sends info to
control center
control center - 🧠ANSWER ✔✔hypothalamus
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 3
STATEMENT. ALL RIGHTS RESERVED
