Lesson One
_______ are also known as producers.
Autrotrophs
Pain and weakness in human muscles cells are often the result of the buildup of _______.
lactic acid
Cell division allows organisms to grow, repair damaged structures and ________.
reproduce
______ is another name for a heterotroph.
Consumer
When does the winter solstice typically occur in the Northern Hemisphere?
Around December 21 or 22
The ultimate source of energy for all living things is the _______.
sun
Plant and animal cells release energy from food as a result of the process of ________.
cellular respiration
______ results in the formation of two daughter cells.
Cytokinesis
Production of hydrogen and energy is the main characteristics of the _____ stage of photosynthesis.
first
In which year was snowboarding introduced as an Olympic sport?
1998
Plants are able to carry out photosynthesis because they contain the organelle known as a(n) ______.
chloroplast
The energy- releasing process that does not require oxygen is _______.
fermentation
The process in which cell makes an exact copy of the DNA in its nucleus is _______.
replication
________ is the opposite process of cellular respiration.
How many sports were included in the first Winter Olympics in 1924?
9
One important sugar that results from photosynthesis is ______.
glucose
________ are the powerhouses of the cell because they are the organelles in which the second stage of cellular respiration takes place.
Mitochondria
Cell growth and production of new organelles and enzymes are characteristics of _______.
interphase
In the first stage of respiration, ______ ______ energy is released.
very little
In which month does winter officially begin in the Southern Hemisphere?
June
The green pigment that absorbs light energy is ______.
chlorophyll
The products of photosynthesis are the _____________ of cellular respiration.
raw materials
It would take _____ cell divisions for one original cell to produce 128 new cells.
seven
The two rod-like parts that make up a chromosome are called _______.
chromatids
Which city holds the record for the most snowfall in a single day in the US?
Silver Lake, Colorado (76 inches in 24 hours)