What do arrows indicate about the flow of energy through a community

True/false The role of the species that goes extinct plays a big part in how the food chain will be affected.

Tay-sachs is a recessive genetic disease in humans. both parents are carriers (heterozygous), what are the chances that their child will have this disease?

Four kinds of information you will learn about living things when you study biology

If a body needs approximately 1 cal/kg of body weight per hour, about how many calories would a 75-kg (165 pounds) man need per day?

Researchers destroyed snippy the rat's ventromedial hypothalamus. this activation is likely to cause snippy to

Distinguish between cell differentiation and cell specialisation

What amount of earths total water supply is usable fresh water? A. 25% B. Less than 1% C. 50% D. 75%

What Kingdom do euglena belong to? What Phylum?

Which of these would NOT be an effective way to represent data collected in a scientific experiment? A) data table showing months of the year and average temperatures B) line graph with time on the x-axis and plant growth on the y-axis C) bar graph

Why do humans have two sets of 23 chromosomes