Which of the following is the most direct method for combating rainforest deforestation? a. ecotourism b. carbon credits c. rehabilitation d. conservation
What process describes the transfer of heat through matter by molecular activity?conduction convectionradiationevaporation
What general type of microscope uses bright illumination and multiple glass lenses? optical dark electron compound
Which type of cell contains DNA enclosed in a nucleus? A) centriole B) eukaryote C) plasmid D) prokaryote
Which characteristic proves Lactobacillus acidophilus is from the specific kingdom Eubacteria? It is multicellular. It has a cell wall. It is a microorganism. It has peptidoglycan.
Discuss the relationship between mitosis and cytokinesis. What would the result if one happened without the other?
Which event occurs in photosystem I? A. Water molecules are broken apart B. Light energy excites electrons C. Oxygen is released as waste D. Electrons are transferred to ferredoxin
Which cell part contains directions for cell growth and reproduction? A. cell wall B. plasma membrane C. nucleus D. pores
What term is used for events that cause strong, often negative, emotional responses? noise messages hijacking stress triggers?
Deer run in zigzag patterns when being chased by predators. What type of adaptation is this? a. Behavioral b. Physiological c. Structural d. Ecological
Water plays a key role in chemical weathering by ________. A.) dissolving minerals B.) transporting minerals C.) contributing to the oxydation process D.) all of the above
What device can be used to make measurements globally? a. rain gauge b. buoy c. satellite d. thermometer
Air pollution is only caused by human activity. true or falseair pollution is only caused by human activity. false.
Which of the following would be considered a limited resource in the lower depths of the ocean? a. water b. sunlight c. prey d. predators
Which component cannot be part of this strand? a. uracil b.thymine c. phosphate group d.deoxyribose sugar?
In Figure 28-7, what information indicates that meiosis takes place during the jellyfish's reproductive cycle? Download png
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.
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"
Which scientist disproved the idea that life comes from nonlife? Anton van Leeuwenhoek Louis Pasteur Robert Koch Paul Ehrlich
The science of crop production and improvement is called _____. A. biology B. environmental science C. agronomy D. vegetative propagation
Adult skin cells can no longer become other types of cells because they have already undergone _________________________. (1 point)