Biology 109 Exam 1 (Ch 1-4) Study
Guide 2025/2026 Exam Questions and
Answers | 100% Pass
9 Characteristics of Living Things - 🧠ANSWER ✔✔1. Organization
2. Made of Cells
3. All Use Energy
4. Homeostasis
5. Respond to Their Environment
6. Growth and Development
7. All Living Thins Reproduce
8. Pass Along Hereditary Traits
9. Adapt to Their Environment
3 Domains of Life - 🧠ANSWER ✔✔1. Bacteria
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,2. Archaea
3. Eukarya
4 Kingdoms of Eukarya - 🧠ANSWER ✔✔1. Protista
2. Fungi
3. Plantae
4. Animalia
4 Defining Features of Humans - 🧠ANSWER ✔✔1. Bipedalism
2. Opposite Thumbs
3. Large Brain
4. Capacity for Language
Protista - 🧠ANSWER ✔✔unicellular and simple multicellular, eukaryotic
(protozoa, algae, slime molds)
Plantae - 🧠ANSWER ✔✔Multicellular, eukaryotic and photosynthetic
Animalia - 🧠ANSWER ✔✔Multicellular, eukaryotic and heterotrophic
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STATEMENT. ALL RIGHTS RESERVED
, Fungi - 🧠ANSWER ✔✔Molds, yeasts, mushrooms, eukaryotic and decomposers
Matter - 🧠ANSWER ✔✔Anything that has mass and occupies space, composed of
elements
Element - 🧠ANSWER ✔✔Cannot be broken down to a simpler form, periodic
table of elements
Protons - 🧠ANSWER ✔✔Positive charge, determines element, in the nucleus
Neutrons - 🧠ANSWER ✔✔No charge, determines isotope, in the nucleus
Electrons - 🧠ANSWER ✔✔Negatively charged, participates in chemical reactions,
outer shell electrons determine chemical behavior, located in the outer shell of the
atom
4 elements that make up 96% of the human body - 🧠ANSWER ✔✔oxygen,
hydrogen, carbon, nitrogen
Oxygen makes up how much of the body - 🧠ANSWER ✔✔65%
Carbon makes up how much of the body - 🧠ANSWER ✔✔18.5%
Hydrogen makes up how much of the body - 🧠ANSWER ✔✔9.5%
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 3
STATEMENT. ALL RIGHTS RESERVED
Guide 2025/2026 Exam Questions and
Answers | 100% Pass
9 Characteristics of Living Things - 🧠ANSWER ✔✔1. Organization
2. Made of Cells
3. All Use Energy
4. Homeostasis
5. Respond to Their Environment
6. Growth and Development
7. All Living Thins Reproduce
8. Pass Along Hereditary Traits
9. Adapt to Their Environment
3 Domains of Life - 🧠ANSWER ✔✔1. Bacteria
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 1
STATEMENT. ALL RIGHTS RESERVED
,2. Archaea
3. Eukarya
4 Kingdoms of Eukarya - 🧠ANSWER ✔✔1. Protista
2. Fungi
3. Plantae
4. Animalia
4 Defining Features of Humans - 🧠ANSWER ✔✔1. Bipedalism
2. Opposite Thumbs
3. Large Brain
4. Capacity for Language
Protista - 🧠ANSWER ✔✔unicellular and simple multicellular, eukaryotic
(protozoa, algae, slime molds)
Plantae - 🧠ANSWER ✔✔Multicellular, eukaryotic and photosynthetic
Animalia - 🧠ANSWER ✔✔Multicellular, eukaryotic and heterotrophic
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED
, Fungi - 🧠ANSWER ✔✔Molds, yeasts, mushrooms, eukaryotic and decomposers
Matter - 🧠ANSWER ✔✔Anything that has mass and occupies space, composed of
elements
Element - 🧠ANSWER ✔✔Cannot be broken down to a simpler form, periodic
table of elements
Protons - 🧠ANSWER ✔✔Positive charge, determines element, in the nucleus
Neutrons - 🧠ANSWER ✔✔No charge, determines isotope, in the nucleus
Electrons - 🧠ANSWER ✔✔Negatively charged, participates in chemical reactions,
outer shell electrons determine chemical behavior, located in the outer shell of the
atom
4 elements that make up 96% of the human body - 🧠ANSWER ✔✔oxygen,
hydrogen, carbon, nitrogen
Oxygen makes up how much of the body - 🧠ANSWER ✔✔65%
Carbon makes up how much of the body - 🧠ANSWER ✔✔18.5%
Hydrogen makes up how much of the body - 🧠ANSWER ✔✔9.5%
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 3
STATEMENT. ALL RIGHTS RESERVED
