SCIENTIFIC METHOD
What is a testable explanation for an observation called?
What is a hypothesis?
What term describes a living part of an ecosystem?
What is biotic?
During which era did mammals become especially diverse and dominant?
What is the Cenozoic Era?
In this relationship, both organisms benefit from interacting with each other.
What is mutualism?
True or false: A group of flamingos is called a “flamboyance.”
What is true?
In an experiment, what variable does the scientist purposely change?
What is the independent variable?
A forest contains deer, trees, insects, fungi, water, soil, and sunlight. What term describes all of these living and nonliving components interacting together?
What is an ecosystem?
During which era did dinosaurs become dominant?
What is the Mesozoic Era?
A tick attaches to a deer and feeds on its blood. What type of relationship is this?
What is parasitism?
how tall is coach wood in inches
77 inches tall (6 foot 5 inches)
A student notices that plants near a window grow taller than plants farther away. What step of the scientific process is this?
What is an observation?
What is a trait or behavior that helps an organism survive and reproduce?
What is an adaptation?
What is the preserved evidence or remains of ancient organisms called?
What is the fossil record?
Two male deer compete for access to the same food source and mates. Neither benefits from having to compete. What type of relationship is this?
What is competition?
What animal is the largest animal on Earth?
What is a blue whale?
A student thinks plants grow faster when given more sunlight. They test plants with different amounts of sunlight. What is the student's hypothesis?
Plants grow faster when given more sunlight.
A population of insects contains some individuals that are naturally resistant to a pesticide. After repeated pesticide use, more resistant insects survive and reproduce. What process explains this change?
What is natural selection?
The wings of a bird and the wings of an insect perform a similar function but have different underlying structures. They are what type of structures?
What are analogous structures?
A bird builds its nest in a tree. The bird gets a place to live, while the tree is neither helped nor harmed. What type of relationship is this?
What is commensalism?
What animal is the fastest land animal?
What is a cheetah?
What variable is measured or observed as a result of changing another variable?
What is the dependent variable?
Structures that have similar underlying anatomy because of common ancestry are called what?
What are homologous structures?
Put these four divisions in order from oldest to youngest: Cenozoic, Paleozoic, Hadean/Precambrian, Mesozoic.
Hadean/Precambrian → Paleozoic → Mesozoic → Cenozoic
a moth bledning into its environment to avoid detection is a form of what?
What is camouflage?
what is the last school day of the semester?
December 18th