Right after hatching, a duckling sees a hcild riding a tricycle. The next time the child on the tricycle rides by the duckling, the duckling will follow the tricycle because what?

Hurricanes require warmer waters to form. Which characteristic of warmer water could contribute to hurricane formation? A. It becomes less dense as it gets warmer and saltier. B. It becomes more dense as it gets warmer and saltier. C.

Water on each side of a divide flows in ...

Is Animal Action physical or chemical weathering

The fossil record supports which of the following descriptions of the evolution of life on Earth? * Life first appeared with the diversity found today. The importance of natural selection diminished over time.

Radiation is a frequent method of sterilization. It is effective because it causes damage to DNA. However, prions, the agents that cause diseases such as mad cow disease, are unaffected by these treatments because they lack DNA.

The structure of eugenol is given below. select which functional group below is present in eugenol.

Modern Humans are classified as the species?

Which of the following is NOT a benefit provided by soil? 1. provides a habitat for animals 2. allows for water storage for plants 3. can be blown or washed away from its parent rock 4. provides minerals and nutrients for plants

What can cause changes in DNA sequences? A. mutations B. genetic drift C. gene flow D. proteins

What is the definition of chemical energy