The picture on the right shows fraternal twins. How can you account for their differences considering that they are twins? and the picture is twin boy and girl next to each other help i need it now

Fill in the blank with the best word to complete the sentence. white blood cells protect against and aid in blood clotting when injuries are sustained.

Where is having brightly colored feathers that attract mates most clearly an adaptation for a bird? a. a forest with dense vegetation b. a sandy beach beside an ocean c. a snowy tundra with little vegetation d. a swamp with many hawks that eat birds

Which of the following describes what an activator an enhancer are