Explain why seawater has a higher hydrometer reading than that of freshwater.

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. He used a golf ball, a tennis ball, and a soccer ball. He dropped each ball from the balcony once.

During DNA replication, the original strands are opened and unwound by A. Helicase B. Primase C. DNA polymerase D. Ligase

The wide diversity of arthropod body plans can be attributed to: A. specific coordination between embryonic cells through plasmodesmata B. mutations in genes that regulate the development of limbs, mouthparts, wings, etc. C.

Is the red panda a carnivore herbivore or omnivore?

What causes individuals to have a trait such as curly hair? Their DNA codes (genotypes) are ultimately translated in the ribosomes into proteins, which are expressed as curly hair (phenotype).

1. Suppose that xylem were located only in the roots and stems of a plant. Would fluids in the xylem still move? Explain.

What activity will decrease body temperature? Sweating Exercising Adding clothing Shivering

Organisms with true radial symmetry A. tend to be highly mobile. B. do not have a distinct head region and tend to be sedentary or passive drifters. C. can be divided into two matching halves along only one plane. D.

1. The Earth's carbon cycle consists of the flow, cycling, and recycling of all of the carbon on the Earth. Every living organism's composition includes the element carbon. How does carbon become part of living organisms?

Which of these is used to find the precise age of a rock? Index fossils Radioactive dating Relative dating Stratified rock layers