Biology, 29.07.2019 21:00 mindofnyny
What best describes index fossils? organisms that existed over a limited period . organisms whose age is hard to detect. fossils that are used in radioactive dating. fossils of the most ancient organisms.
Answers: 1
Biology, 21.06.2019 17:40
Ageologist determines that a sample of a mineral cant be scratched by a steel nail but can be scratched by a masonry drill bit based on this information the sample mineral has to be softer than
Answers: 2
Biology, 21.06.2019 18:30
Which would be an adaptation in a rainforest, but not in a tundra? a. ability to store water for a long time b. fur that blends in with snow c. strong claws for killing prey d. a beak that can dig into thick trees
Answers: 2
Biology, 22.06.2019 00:10
Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy
Answers: 2
Biology, 22.06.2019 00:30
What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.
Answers: 2
What best describes index fossils? organisms that existed over a limited period . organisms whose a...
Mathematics, 14.07.2021 01:50
Mathematics, 14.07.2021 01:50
Biology, 14.07.2021 01:50