What structure is the functional unit of contraction in a skeletal muscle fiber?

At the time of fertilization in humans, two gametes, each containing a unique combination of alleles, fuse to form a diploid offspring.

How do these spheres interact lithosphere and biosphere?

How does the simple primary and secondary structure of dna hold the information needed to code for the many features of multicellular organisms?

Which statement is an example of parasitism? A. Psuedoscorpions hide under beetles' wings for protection and transport. B. Wasps lay eggs inside hornworms and after the eggs hatch, the wasp larvae feed on the hornworm. C.

Chemical and physical weathering both involve direct contact of the atmosphere with rocks, soils, and minerals.

How macromolecules are broken down and used to make new molecules.

How do soils form? A. Plants cement mineral particles together to form soil. B. Plants provide organic matter and minerals to make soil. C. Erosion transports mineral particles, and plants die and decay. D.

Give three examples of places bacteria live.

How can scientists learn from observations

The minimum amount of energy the body uses at complete rest is known as the energy balance. resting metabolic rate. metabolic balance. basal metabolic rate.