levels of organization
what is the most complex level of organization?
organism.
What are 2 body systems that help the body move?
skeletal and muscular system.
what are the two types of reproduction?
sexual reproduction and asexual reproduction.
what is natural selection?
Natural selection is the process through which populations of living organisms adapt and change.
no ___, or drinks.
no food, or drinks.
what is the least complex level of organization?
cell.
what body systems need blood?
all of the systems.
what type of reproduction do most if not all bacteria use?
asexual reproduction/binary fission.
what is artificial selection?
Artificial selection is an evolutionary process in which humans consciously select for or against particular features in organisms.
What is the first thing you should do when using a microscope?
always begin with the 4x objective lens (the lowest magnification).
the heart is what level of organization?
organ.
what system is responsible for controlling all the other body systems?
The nervous system.
what is a reason sexual reproduction help a species survive?
genetic diversity is thought to give species a better chance of surviving in an unpredictable or changing environment.
what are 3 factors that affect natural selection?
overproduction, Variation, Competition.
how can you tell what gender a frog is.
thumb / hand.
What are the 5 levels of organization in order from least complex to most complex ?
cells, tissues, organs, organs systems, organism.
what are the 11 organ systems in the human body?
Integumentary, Skeletal, Muscular, Nervous, Endocrine, circulatory, Immune, Respiratory, Digestive, Urinary, and Reproductive System.
what type of asexual reproduction does a Hydra use?
Hydras usually reproduce asexually by budding.
one of the first examples of artificial selection was the ______ lemon
the Meyer lemon.
how many liver parts does a frog have.
3.
how many organs are in the human body?
78.(70 to 79 is allowed)
Is there another name for the circulatory system?
yes the cardiovascular system or vascular system.
how many organs are in the reproduction system?
(needs fixing )what type of natural selection is this? Beatles show different colors the green beetles are better camouflaged so they are more likely to survive and reproduce and pass on their green genes onto their offspring overtime the proportion of green beetles in the population increase.
variation.
What is the first thing you should do when using a microscope?
always begin with the 4x objective lens (the lowest magnification).