Biology 109 Exam 1 (Ch 1-4) Study
Guide 2024/2025 Exam Questions and
Answers | 100% Solved
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
2. Archaea
3. Eukarya
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STATEMENT. ALL RIGHTS RESERVED
,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
Fungi - 🧠ANSWER ✔✔Molds, yeasts, mushrooms, eukaryotic and
decomposers
Matter - 🧠ANSWER ✔✔Anything that has mass and occupies space,
composed of elements
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STATEMENT. ALL RIGHTS RESERVED
, 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%
Nitrogen makes up how much of the body - 🧠ANSWER ✔✔3.3%
Iodine Deficiency - 🧠ANSWER ✔✔A bulge in the neck
Covalent Bond - 🧠ANSWER ✔✔When atoms share electrons, strongest
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
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STATEMENT. ALL RIGHTS RESERVED
Guide 2024/2025 Exam Questions and
Answers | 100% Solved
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
2. Archaea
3. Eukarya
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
1
STATEMENT. ALL RIGHTS RESERVED
,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
Fungi - 🧠ANSWER ✔✔Molds, yeasts, mushrooms, eukaryotic and
decomposers
Matter - 🧠ANSWER ✔✔Anything that has mass and occupies space,
composed of elements
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
2
STATEMENT. ALL RIGHTS RESERVED
, 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%
Nitrogen makes up how much of the body - 🧠ANSWER ✔✔3.3%
Iodine Deficiency - 🧠ANSWER ✔✔A bulge in the neck
Covalent Bond - 🧠ANSWER ✔✔When atoms share electrons, strongest
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
3
STATEMENT. ALL RIGHTS RESERVED
