Biology Exam - Fall 2024 Flashcards
What is necessary when investigating?
Very obviously, you need the lab equipment. This can include beakers, test tubes, gloves, microscopes, pipettes, etc.
What are the steps in the scientific method?
Question, hypothesis, experiment, analyzing data, conclusion
Why is it advantageous for scientists to test only one variable at a time?
Testing each variable at once can make it clear which variable is responsible for the result.
Describe the placebo effect and give an example-
The placebo effect is a fascinating phenomenon that occurs when a sham medical intervention causes improvement in a patient’s condition because of the factors associated with the patient’s perception of the intervention
How do you calculate the total magnification from a provided objective lens?
Multiply the total magnification of the objective lens combined w the ocular lens (10x)
What does CER stand for?
CER stands for claim evidence reasoning.
Why do we use CER?
We can use CER to show structured and critical thinking.
Why do we study science?
To understand the world around us and God’s creation
What does biology mean?
The scientific study of life
Are viruses alive?
NO
What are the 6 kingdoms?
Animal
Plant
Fungi
Protis
Bacteria/ (6) Archaebacteria
What is the difference between prokaryotic and eukaryotic?
Prokaryotic- Lack a nucleus
Eukaryotic- Have a nucleus
What is the difference between unicellular and multicellular?
Unicellular- One cell
Multicellular- Multiple cells
What is the difference between autotroph and heterotroph?
Auto (self) - Make your own food
Hetero- Different- Takes nutrition from other sources
What is Taxonomy?
Taxonomy is the science of classifying, identifying, and naming organisms, including all plants, animals, and microorganisms
What is a Dichotomous key?
A dichotomous key is a scientific tool used to identify organisms or objects by making a series of choices based on their characteristics
What is Binomial nomenclature?
the system of nomenclature in which two terms are used to denote a species of living organism, the first one indicating the genus and the second the specific epithet
What is a Taxon?
a taxonomic group of any rank, such as a species, family, or class.
What is Taxonomic?
concerned with the classification of things, especially organisms.
What is the largest taxon?
The kingdom/Domain
What is the smallest taxon?
A species
What are the 3 main points to the cell theroy?
- All organisms are composed of one or more cells
- The cell is the basic unit of structure and organization in organisms
- All cells came from preexisting cells
What are enzymes?
Enzymes are proteins that speed up chemical reactions
What are Reactants?
The substances that CHANGE (Goes INTO the process)
What are Products?
The substances that are MADE by a chemical reaction (Comes OUT OF the process)
Why is energy important for all living things? What are processes that require energy (cellular and organism level)?
Energy is important for all living things. This is mostly because they and us need energy to be able to perform better and grow. The most important process that requires energy is photosynthesis.
How do living things obtain energy from their environment?
Living things obtain energy from their environment in multiple different ways. As for plants, they get their energy from the sun, but as for humans and animals, we get our energy mostly from food.
What does ecology mean?
Ecology is the study of the interactions among organisms and their environment
What is the difference between abiotic and biotic factors?
Abiotic factors are non living things, such as air, water, and the sun. Biotic factors are living things, such as plants and animals.
