How can we help?
You can also find more resources in our
Select a category
Something is confusing
Something is broken
I have a suggestion
What is your email?
What is 1 + 3?
Ch. 1 Biology Test
maintaining internal equilibrium
5 Characteristics of Living Things
all contain DNA, grow & develop, obtain & use material and energy, reproduce, and maintain homestasis
an educated guess
Steps to focus a microscope
1.) Carry with 2 hands: one under the base, the other at the arm 2.) prepare slide 3.) place slide on stage of microscope 4.) put in nosepiece on lowest objective 5.) focus slowly
supports the tube & connects to the base
Used for support
connects eyepiece to objective lenses
lense at the top that you look through
Stays the same
Job of lenses in a Microscope
magnify an image
a logical and orderly way to solve a problem
sum total of all the chemical reactions in the body
a hypothesis that is supported by an experimentation
unit of length
unit of liquid volume
unit of mass
Steps of Scientific Method
Prediciton, Observation, Hypothesis, Experiment, Conclusion
Lens X Eyepiece
how to calculate the total magnification of a microscope
A mode of reproduction involving the fusion of female gamete (ovum) and male gamete (spermatozoon), which forms a zygote that potentially develops into genetically distinct offspring.
A form of reproduction that does not involve meiosis, ploidy reduction or fertilization, and the offspring is a clone of the parent organism.