If male dogs use natural aphrodisiacs in urine to mark their territory, then what do male dogs use in their urine to mark their territory? Answer choices: - feces - layers of fat - natural aphrodisiacs - food - Something coming from a gland - Chemical energy - cats - hydrocarbons
natural aphrodisiacs

If plants have meristems for growth, then what have meristems for growth? Answer choices: - plants - humans - tortoises - animals - Conifers - Flowers - moss - cacti
plants

Q: If the Earth being tilted on its rotating axis causes winter, then the Earth being tilted on its rotating axis causes what? Answer choices: - Weather - Winter - rest - spring - wind - Night and Day - Gravity - rainfall
A: Winter

Question: If fossils are formed when layers of something streams carry cover the remains of organisms over time, then what carries something that covers organisms to make fossils? Answer choices: - squids - Streams - streams. - coral reef - coral - amoebae - bamboo - Nematoda
Answer: Streams

*Question*
If animals can communicate with visual cues, chemicals, or something that is a wave, then animals communicate through what? Answer choices: - chemicals - A wave - fur - nerves - A vacuum - A telephone - A particle - Movement
**Answer**
A wave

Q: If objects that are only a few nanometers in size can be seen only with an electron microscope, then objects that are a few nanometers in size can be seen only with:? Answer choices: - an electron microscope - refraction of light - matter vibrating - ultrasound - The bending of a ray of light - slight magnification - flashlights - lens
A: an electron microscope