Earthworms contribute to decomposition by A. breaking down matter into inorganic nutrients through mineralization. B. breaking up litter into smaller particles, thereby increasing the surface area and allowing for more efficient chemical breakdown. C. releasing enzymes that convert inorganic molecules into organic macromolecules. D. decreasing the amount of oxygen in the soil, thereby increasing mineralization.

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.

Will mark brainliest. (20 points) many have pigments structures known as eyespots that detect direction of light. a. b. archaebacteria c. protists d. none of the above