What are unisexual organisms

Which characteristics are used to differentiate between the six kingdoms?

Which human activity has had the greatest impact on climate change? A. deforestation B. burning fossil fuels C. production of nuclear waste D. building skyscrapers

Which part of the nervous system takes the information received from the senses, makes sense out of it, makes decisions, and sends commands out to the muscles and the rest of the body?

How are genes and proteins similar to homologous structures when determining evolutionary relationships among species?

What system is responsible for increasing heart rate when we are scared or injured?

What is the body of a sponge is covered with many small opening?

Population Growth Which of the following refers to the movement of individuals out of a particular area? A. Immigration B. Emigration C. Transporting Population growth is a big concern for ecologists.

How does a caterpillar get it's energy?

What do scientists think forms the Moon's core?

What organ stores bile when food digestion is not occurring?