Biology 1st Semester Exam Guide
Which is a substance that produces OH ions when it is dissolved in water
A base
What does the image above show
A chemical reaction
What type of substance is water
A compound
What does the image above show (Bolts and screws in a box)
A heterogeneous mixture
What is a chemical reaction
A match burning
Which molecular activity requires a folded structure like the one shown
A protein
Which type of macromolecule can have a structure like the one shown
A protein
Which do the following is the substance that lowers the activation energy
A reactant
What is a hypothesis
A testable explanation
What type of discovery as a serendipitous discovery
Accidental
Look at the following figure below determine what upward curve represents
Activation energy
What are monomers the make up proteins
Amino acids
Which defines habitat
An area where an organism lives
Which of these is a pure substance that cannot be broken down by a chemical reaction?
An element
What causes the overall charge of an atom to be zero
An equal number of protons and electrons
When you form a logical conclusion based on your observation and what you already know, what are you making
An inference
Which biotics science was Jane Goodall studying when she observed chimpanzees
Animal behavior
Where are the largest concentration of nitrogen and found
Atmosphere
What type of organism is the foundation of all ecosystems
Autotrough
What is the name for a group of interacting populations that occupy the same area at the same time
Biological community
What is the name for a substance that keeps the pH in sales business within the 6.5 to 7.5 pH range
Buffer
Qwhich element do almost all biological molecules contain
Carbon
Which two element are always found in amino acids
Carbon and oxygen
Which type of heteroph best describes the snake
Carnivore
What provides energy for all living processes
Chemical bonds
What occurs at the active site in the enzyme substrate complex
Chemical bonds are broken and new bonds are formed
Which of the following are bonds broken and new bonds are formed?
Chemical reactions
Supposed to leave eating species of animals live in a habitat where there is a severe drought and many plants died as a result. Which term describes the kind of relationship the two species will probably have?
Competition
Which is a detrivore
Crayfish
What type of organism returns nutrients to an ecosystem
Decomposer
Which property of population might be described as random clumped or uniform
Density
What is the process of change that takes place during the life of an organism
Development
Which of these levels of organization includes all of their other layers
Ecosystem
Look at the energy levels in the Adam what is the maximum number of electrons energy level can two hold
Eight
Which of the following particles is negatively charged
Electron
Which process changes a chlorine atom into a chloride ion?
Electron gain
Which statement is true about energy in the ecosystem
Energy for most ecosystems originate from the sun
Identify the proteins that speed up the rate of chemical reactions
Enzymes
What process regulates an organism's internal conditions and keep them stable
Equilibrium
Which term describes the part of the cycle labeled a (Water going to the sky)
Evaporation
Which best describes a scientific theory
Explanation supported by many experiments overtime
What is a theory
Explanation supported by observations and experiments
If any colleges finds that a long tailed weasel had disappeared from the desert community, she found concluded that there will be a decrease in the population of coyotes. True or false?
False
In order scientific experiments to be valid they must be based on scientific methods that use control experiments. True or false?
False
Scientists discard observations and data that are not consistent with current scientific understanding. true or false?
False
In which activity would be an environmental biologist most likely be involved
Finding ways to protect species
Scientist use laboratory rats to test the effect of the new drug razatrin. What do rats in the control group perceive
Food without resent train food containing another drug
How many Camela bonds and can form with other Adams
Four
Which part of the food web above contains the least biomass
Foxes
Identify how energy flows through an ecosystem in a typical food chain
From the auto trough to a heteroph
Which part of the diagram above relates to carbon leaving a long term cycle
Fuel combustion
Which polysaccharide stores energy in the muscle and liver tissue
Glycogen
Which part of the food web of contains the greatest biomass
Green plants
What is true of a chemical reaction
He and or light are released in the reaction
Which type of organism exists at all tropic levels except for the first tropic level
Heterotrophs
Which characteristic of life should be the title of this graph
Homeostasis
What type of bond attracts water molecules to each other into other substances
Hydrogen bonds
What type of scientist studies water fountain on your ground, in the atmosphere, and on the surface of the earth
Hydrologist
What is a text to testable explanation
Hypothesis
How do the isotopes of hydrogen differ
In the number of neutrons
Which describes the effect of population increase and resource depletion
Increased competition
In a controlled experiment which factor can change
Independent variable
Which best describes adaptation
Inherited changes in response to environmental factors
Why is the mouse classed as a omnivore
It consumes post grasshoppers and plants
Which is the indication that an idea is based on pseudoscience
It does not welcome scientific investigation
Why is water able to dissolve a wide variety of salutes
It is a polar molecule
Which statement is not true about water
It is composed of ionic bonds
Which is true about scientific inquiry
It is testable
How does an enzyme increase the rate of a chemical reaction
It lowers the activation energy
What happens when the energy of the fox use for maintaining his body temperature
It moves into the surrounding environment
What are facts, oils, and waxes composed of
Lipids
Which should be considered an ecosystem
Living in nonliving things in a pond
Which is not a characteristic of all organisms
Maintains homeostasis
The insects in the photo above is gathering pollen and nectar for food but the same time is aiding in the plant reproduction what is this relationship demonstrate?
Mutualism
Aza topes are created by a change in the number of what particle of an Atom
Neutrons
What term best describes the bees role of gathering pollen
Niche
What is the name of the process in which bacteria in lightning convert nitrogen into compounds that are useful for plants?
Nitrogen fixation
Which process returns nitrogen to the food web
Nitrogen fixation
The mole is the SI unit for which quantity
Number of particles in the substance
What is a chemical substance that an organism must obtain from his environment to survive
Nutrient
Which only on when it release and water causes a solution to be basic
OH -
In what type of activity would you miss expect an ecologist just to be involved
Observing the relationships that woodpeckers have with other species and live in living environment
Which process looks like phosphorus in a long term cycle
Organic materials buried at the bottom of oceans
Santos ones to report the findings from our investigations. Before her information can be published but must go through
Peer review
Which joins amino acids together
Peptide bonds
Which process in the cycle converts carbon dioxide and water into carbohydrates
Photosynthesis
What are the two major life processes that involve carbon and oxygen
Photosynthesis and respiration
Which part of the diagram above relates to Carly moving from abiotic to a biotic factor in that part of the ecosystem
Photosynthesis and respiration
Which are biotic factors in a forest environment
Plants in microscopic living organisms
The act of one organism consuming other organisms for food is
Predation
Which biological molecule transport substances between cells
Preteen
Which statement is true about chemical reactions
Products are on the right
What type of biological molecule is an enzyme
Protein
What particles in An atoms nucleus
Protons and neutrons
Which describes the statement the frog is 4 cm long
Quantitive data
Some species of plants begin opening their flowers in the morning when they have exposed to sunlight what care is just the characteristics of living things does represent
Responding to stimuli
Which is an example of biodiversity with direct economic value
Species of a water plant that makes it useful antibiotic
What is the function of the biological macromolecules
Stores and transmits genetic information
What area of Santas Saints take scientific knowledge and Apple to meet human needs
Technology
Which is a characteristic of X potential growth
The growth rate that increases over time
If a population of parrots had greater generic diversity that a hummingbird population in the same region, which outcome could result?
The parrot population could have a greater resistance to disease than the humming bird population
Identify the term used to describe explanation of a natural phenomena and supported by observation experimentation
Theory
Which is a scientific explanation of mutual phenomenon supported by many observations and experiments
Theory
Which is a characteristic of all lipids
They do not dissolve in water
How to do detritivores obtain their energy in an ecosystem
They feed on fragments of dead plants and animals
With two issues such as aids Glenn warming genetic engineering including having common
They involve ethics
How does energy first into the pond ecosystem
Through light from the sun
What do cellulose and chitin have in common
Thy are structural polysaccharides
Which fruit contains a higher concentration of hydrogen ions
Tomatoes
Which substance is not a part of a nucleotide
Water
Which biochemical cycle involves evaporation transpiration and precipitation off
Water cycle
Which is the result of van der Waals force
Water molecules forming droplets
Which should be abiotic factor for a tree in the forest
Wind blowing to the branches