What are two structural differences between a mature sperm and a mature egg?

What is always the last step in a food chain or food web?

Jarin drank a lot of water before going to the doctor. What best describes what would happen to his blood pressure? His systolic pressure would increase. His diastolic pressure would decrease.

Are birds more closely related to mammals or to reptiles

The star at the center of our solar system, which we call "Sun", is very important to supporting life on Earth. Earth would not be the Goldilocks planet. Name 2 ways in which the sun is a important to the Earth in keeping us all alive.

What types of white blood cells are available to your immune system?

Summarize the process of Transcription in your own words.

A nurse cares for a client with a stage ii pressure ulcer on the right hip. the nurse anticipates finding what type of appearance to the skin over this area?

Why are spiders considered to be an r selected species?

What are restriction enzymes used for in nature?

Material with bits of rocks and once living parts of animals are