scientific method
Question: This is the first step in the scientific method
What is asking a question?
These organisms are not native to an ecosystem and can cause harm to native species and habitats.
What are invasive species?
This scientist is famous for developing the theory of natural selection.
charles darwin
when is coach woods birthday
September 20th
In an experiment, this variable is the one that you change on purpose to test a hypothesis.
What is the independent variable?
This type of relationship benefits both organisms involved.
What is mutualism?
Structures like the human appendix or whale pelvis that no longer serve a major function in an organism are called ______.
What are vestigial structures?
what is my favorite anime ( 2 possible choices)
1. reincarnated as a slime
2. overlord
This type of variable is measured to see how it responds to changes in the independent variable.
What is the dependent variable?
This is the ecological level that includes all the living and non-living things in a defined area.
What is an ecosystem?
What are homologous structures?
structures that are similar in structure but may have different functions in different species, like the forelimbs of humans, bats, and whales
how tall is coach wood in inches
77 inches ( 6 foot 5 inches)
In a well-designed experiment, these are used to ensure that only the independent variable affects the outcome.
What are controlled variables or constants?
A lion hunts and eats a zebra. This type of relationship is called ______, and the zebra’s role in this interaction is ______.
What is predation, prey?
What is the fossil record?
Fossils found in different layers of rock show gradual changes over time
when is the last day of the semester
december 19th
A student wants to test how the amount of sunlight affects the growth of a plant. She grows several identical plants, giving each a different number of hours of sunlight per day, and measures how tall each plant grows after two weeks.
what is the independent and dependent variable
Independent variable: Amount of sunlight
Dependent variable: Plant growth (height)
What is commensalism?
This type of relationship benefits one organism and does not affect the other.
A bat’s wing and a butterfly’s wing both allow the organism to fly, but their internal structures are very different. In contrast, a human arm and a whale flipper have similar bone structures but different functions. Identify which pair shows analogous structures and which shows homologous structures.
Bat wing and butterfly wing → Analogous structures
Human arm and whale flipper → Homologous structures
how old is the age of the universe?
15 billion years