Biology Unit 1 Flashcards
True or false: In order to be living, an object only needs to possess half of the characteristics of living things.
False! It must have all 8.
Biotic
living
Abiotic
nonliving
four NEEDS of all living things
Food, water, shelter, and air/oxygen
Responding to stimuli is an example of a characteristic all living things possess. Provide an example of an internal responses and external response.
Internal: when you are hungry and your stomach growls
External: when you’re hot your body sweat to cool down & when you ‘re cold your body shiver to heat up
What are the 8 characteristics of living things?
Cells
DNA
Homeostasis
Grow and Develop
Respond to stimuli
Metabolism (obtain and use energy)
Reproduction
Adaptations/Evolution
What are the monomers of proteins and carbohydrates?
Proteins: amino acids
Carbohydrates: monosaccharides
What elements are found in EVERY macromolecule?
Hydrogen, oxygen, and carbon
one similarity and one difference between carbohydrates and lipids
Similarity: both are an energy source
Difference: one is long-term energy while the other is short-term energy
For a LIPID, provide:
1. The monomer
2. An example
3. One function
Monomer: fatty acids and glycerol
Examples: Fats, oils, steroids, butter, cholesterol
Function: makes up cell membrane, insulation, and long-term energy source
What are the three parts of a nucleic acid, and what are the monomers called?
Monomers: nucleotides
Three parts of a nucleotide: Sugar, nitrogenous base, phosphate group
What is the term used to indicate that our body’s are stable, or balanced?
Homeostasis
What type of feedback loop releases a response in the opposite direction of the stimulus?
Negative feedback
What are TWO body systems that help regulate body temperature?
Cardiovascular/Circulatory, Muscular, Integumentary, Endocrine, Nervous
What is one example of a positive feedback loop?
Labor/Childbirth
What are the 11 body systems?
- Circulatory/Cardiovascular
- Skeletal
- Muscular
- Integumentary
- Endocrine
- Digestive
- Respiratory
- Nervous
- Immune/Lymphatic
- Excretory/Urinary
- Reproductive
What is a dependent variable?
The variable that is being measured in an experiment (y)
What are the two types of graphs we talked about in class?
Bar and Line graphs
List what each part of the acronym TAILS stands for.
Title
Axis
Intervals
Labels
Scale
What are the two examples of nucleic acids?
DNA and RNA
Which body system is made up of organs such as the ureter, kidney, renal arteries, renal veins, sweat glands, and lungs?
Urinary/excretory
All livings things have a metabolism. Explain what this means?
All living things need energy and use energy. Energy is obtained through food, which is converted to energy through cell respiration. (obtain and use energy)
Place the following in the correct order from smallest to largest AND provide an example of each.
Molecule, atom, organ, cell, body system, tissue
Atom: hydrogen/oxygen
Molecule: H2O
Cell: blood cell
Tissue: nervous
Organ: Brain
Body System: Nervous system