Tree of Life
Plants and protists are both eukaryotes. What is a difference between them?
plants are multicellular, protists are mainly unicellular.
What is an example of structure and function being related in biology? (can't be opposable thumb)
blood's concave shape and ability to carry nutrients, bat's wing to help it fly, etc.
what is a trace element?
an element found in very small quantities in the body but serve important functions in allowing the body to function. (applies to organisms in general not just humans)
many specialized cells join together to form
tissue
What is the function of fungi?
break down organic material and return nutrients to the soil. Helps recycle matter
How does energy move from the Sun into eventual heat/waste? Explain the organisms involved.
Sun --> plant via photosynthesis --> consumer eats plant (does cell respiration) --> animal produces waste (energy is released as heat)
redox reactions are the gaining/losing of...
electrons
The variable being tested or manipulated is known as the
independent variable
Domains are comprised of kingdoms and kingdoms are comprised of...
phylum/phyla
Give an example (occurring inside your body) of how life depends on the interactions within a system
communication between blood, pancreatic cell and insulin allows blood glucose regulation.
nerves in hand communicate with the brain and with muscles to form reflexes
An atom is unlikely to form an ionic bond when...
its outer shell (valence electrons) are full/stable.
What is a solute? Give an example
the substance being dissolved. sugar or salt
How can the three domains be categorized?
Eukarya-true nucleus, Bacteria-prokaryotes who live in mild climate, Archaea-prokaryotes that live in extreme climates
The flow of information can also be represented by the central dogma. What is the central dogma?
DNA --> RNA --> proteins
How does an ion form?
lose or gain of electron
What is the difference between a molecule and compounds?
molecule- two or more atoms joined together by chemical bonds.
compounds- two or more different atoms joined together in a fixed proportion by chemical bonds.
If two organisms are in the same genus are they also in the same family?
Yes because a genus is a subdivision of a family
What is the difference between evolution and natural selection?
Evolution is the theory that explains how populations genetically change over the course of many generations. Natural selection is the mechanism of how organisms born with favorable traits will be favored by the environment, being able to survive and reproduce, passing down their traits to their offspring
The difference between a polar and nonpolar covalent bond is... (looking for specific vocab)
polar covalent bonds form when electronegativity is different between the two atoms, causing uneven sharing of electrons. Nonpolar is when the electronegativity is similar between the two atoms so the electrons are evenly shared.
what makes up the nucleus of an atom?
protons and neutrons