Ecology & Biodiversity 592-637; 4-13
What are things that are living or once living in an ecosystem called?
biotic factors
What scientific instrument is used to look at cells?
a microscope
What did Gregor Mendel study?
pea plants
How many chromosomes do humans have?
46 (23 pairs)
How is the body organized from smallest to largest?
cell, tissue, organ, organ system
What represents energy flow of an entire ecosystem?
Food Web
What is the control center of the cell?
nucleus
dominant
What do we call the structure of DNA?
Double Helix
What 2 systems help you move?
skeletal and muscular
How is an ecosystem organized from smallest to largest?
species, population, community, ecosystem
What part control what enters and exits the cell?
cell membrane
What is a hybrid?
an organism that has a dominant and recessive allele for a trait
Which nitrogen bases pair together? Just write one pair.
adenine and thymine
cytosine and guanine
What 4 systems help you move materials throughout your body?
circulatory, excretory, respiratory and digestive
carrying capacity
What makes plant cells green?
chloroplast
What is the definition of a Punnett Square?
Helps figure out the probability of a trait
What does DNA stand for?
What 2 systems keep you healthy?
integumentary and immune
What does an organism get from its habitat?
anything it needs to survive and reproduce
What century did Robert Hooke first discover cells?
17th century (1663)
more than one gene affects the trait. human height, when flowers bloom, age you start puberty
meiosis
What system is responsible for other systems to work correctly?
Nervous system