Wild animals are not considered a natural resource. Please select the best answer from the choices provided T F
Which of the following statements about large scale mineral extraction is true? a. The economic benefits of large scale mineral extraction outweigh the environmental costs. b. Large scale mineral extraction is more destructive than in the past. c. Large scale extraction is vital to the economy of mining towns. d. Mineral extraction cannot be done in ways that do not completely destroy the environment.
Which line of poetry best imparts a sorrowful mood? droplets keep a steady beat summer showers refresh the scene bare feet splash in puddled rain branches droop as gray skies loom
Most scientific questions are based on 1.) opinions.2.) hypotheses. 3.) observations.4.) experimental data.
What ways do enzymatic catalysts increase the rates of reactions? they shift the reaction equilibrium toward the products they decrease the free energy of the reaction?
Annelids are to lophotrochozoans as _______ are to ecdysozoans. A. flatworms B. molluscs C. roundworms D. cephalopodsim thinking its C. roundworms
For two populations to evolve into two species that look different, what must happen? A.) Extinction B.) Competition C.) Continental Drift D.) Reproductive Isolation
What is the function of an exoskeleton? A.) To enclose the body from the inside. B.) To enclose the body from the outside. C.) To enclose the internal skeleton.
Reefs grow best in _______. a. deep water b. low salinity c. temperatures below 25°C d. shallow water
Which of the following types of carbon fixation is least common for plants in arid locations? a. C3 b. C4 c. CAM d. none of the above
Why should senior citizens perform balance exercises? a. to build muscle tissue b. to reduce chances of falls c. to build overall endurance d. to reduce "staying power"
What characteristic sets streams and rivers apart? a. water quality b. direction of flow c. size d. biodiversity
What list describes the diet of an omnivore? a. mice and rabbits b. fish and insects c. fish and berries d. rabbits and insects ...?
Through which tissue do sugars get transported to reach the leaves during growth and reproduction? a. collenchyma b. parenchyma c. xylem d. phloem
Which scientist disproved the idea that life comes from nonlife? Anton van Leeuwenhoek Louis Pasteur Robert Koch Paul Ehrlich
Which statement is true about the outer planets? A.all have moons B.all have large rocky cores C.all orbit in a retrograde pattern D.all have high densities
A seismograph is used to map faults, monitor fault changes and predict earthquakes. Please select the best answer from the choices provided T F
In which scenario would mitosis be least desirable in terms of a species' survival? A species has little energy to devote to reproduction A species is unable to travel far to find a mate A species has to adjust rapidly to a changing environment A species is preyed upon by numerous successful predators
Which term describes the difference in the concentrations of a substance across a cell's membrane? a. Diffusion membrane b. Concentration membrane c. Concentration gradientd. molcular concentration
How often does an el niño event occur? a. about every other year b. every 10 years c. about every 2 to 3 years d. about every 3 to 7 years
What is the general term for any carbohydrate monomer? glucose/ polysaccharide / monosaccharide / fructose
. A failure of the red-sensitive nerves in the eye to respond to light properly causes A. color blindness. B. chromatic aberration. C. farsightedness. D. astigmatism.
The science of crop production and improvement is called _____. A. biology B. environmental science C. agronomy D. vegetative propagation
The sequence of a DNA strand is ACCTGGAT. What will be the sequence of its RNA transcript? TGGACCTA UGGACCUA ACCTGGAT
4. Which of the following represents an ion? (1 point) a particle having 14 protons, 14 neutrons, and 14 electrons a particle having 9 protons, 9 neutrons, and 10 electrons a particle having 19 protons, 21 neutrons, and 19 electrons a particle having 1 proton, 3 neutrons, and 1 electron