Chapter 1
The process in which offspring arise from a single parent and have the genes of that parent only is called
What is asexual reproduction
What subatomic particles make up the mass of the nucleus?
What are protons and neutrons
The scientific study of interactions among organisms and between organisms and their environment, or surroundings.
What is Ecology?
The _______ regulates what enters and leaves the cell. Both eukaryotic and prokaryotic cells contain this structure
What is a cell membrane?
The smallest unit of an organism that can be considered alive.
What is a cell?
Information gathered from an observation is called
What is data
Living things use this as their main source of energy.
What are carbohydrates?
The process by which plants and other organism use light energy to convert water and CO2 into food.
What is photosynthesis?
This organelle converts the chemical energy in food into a form that cells can use.
What is the mitochondria?
What is Biology
A signal to which an organism responds.
What is a stimulus?
This class of macromolecules does not dissolve in water.
What are lipids?
In freshwater and upper sunlit layers of the ocean ______ are the main autotrophs.
Chromatin consist of DNA bound to protein. When a cell divides the, chromatin becomes
What are chromosomes?
Located in the center of an atom, which contains the protons and neutrons.
What is the nucleus
What is another name for a dependent variable?
What is a responding variable?
Which type of macromolecule stores genetic information?
What are nucleic acids?
Which biogeochemical cycle does NOT involve a stage where the chemical enters the atmosphere?
What is the Phosphorus Cycle?
Because diffusion depends upon random particle movement, substances diffuse across membranes without requiring the cell to use energy. This is a form of ______________.
What is passive transport?
Process in which carbon dioxide, methane, and water vapor trap sunlight energy in Earth’s atmosphere as heat.
What is the Greenhouse Effect?
The statement “the plant is 4 inches tall” is a(n)
What is a quantitative observation
Which type of bond is formed when electrons are being transferred?
What are ionic bonds
_____ use energy from the environment to fuel the assembly of simple inorganic compounds into complex molecules. (make their own food)
What are autotrophs?
When the solution has a higher solute concentration than the cell, the solution is
What is hypertonic solution?
In many cells, the structure that controls the cell’s activities is the
What is the nucleus?