Nature of Life
What is the chemical formula for water?
H2O
What is the biosphere?
The areas of the earth and atmosphere in which living organisms can exist.
What is the basic unit of life?
The Cell
Who is the Father of Evolution?
Charles Darwin
What is the process of making sugars from sunlight and carbon dioxide?
Photosynthesis
Which is the molecule on which life on Earth is based?
Carbon
What does it mean to be a producer in a food chain?
These are usually plants or single-celled organisms that make sugar from either light or other chemical means. (They produce their own food.)
What is one difference between plant and animal cells?
Plant cells have a cell wall, and have large vacuoles to hold water and animal cells do not.
What term describes the process of an organism's physical characteristics changing over time to adapt to its environment?
Evolution
What type of animal is a gorilla?
A primate.
What molecule do most living things use for energy?
glucose (sugar)
What are two things that would limit the amount of growth in a given population of organisms?
The amount of food available, livable space, oxygen, shelter, or anything else needed for life.
What is the name of the "brain" of the cell and where the DNA is contained?
The nucleous.
What is the smallest classification that individuals can be and still be able to mate to create fertile offspring?
Species
What are two characteristics of living things?
Respond to environment, adapt, grow, develop, maintain homeostasis, reproduce, made of cells.
What are the four states of matter?
solid, liquid, gas, plasma
What is an ecosystem?
An ecological community (all living and non-living things in a given area) and its surroundings.
What is called when a cell makes a mistake when copying the DNA?
A mutation.
What artifacts have we used to discover organisms that existed millions of years ago?
Fossils
By what system do animals move needed nutrients around their bodies and eliminate waste?
The digestive system.
Name one property of water that makes it rather unique?
It's polar, it exists in three states on earth, it is essential for life, it is a universal solvent
Give one way humans have affected the biopshere?
Climate change, buildings, plastics everywhere, pollution, dams, bridges, roads, killed off many species of animals and plants.
What is one of the four nucleotides that make up DNA?
Adenine, Guanine, Thymine, and Cytosine
What are the islands that Charles Darwin made famous by his discoveries?
The Galapagos Islands.
What is process by which organisms maintain internal balance, such as temperature, pH, and energy levels?
Homeostasis