A parent, smiling and laughing, is moving a small stuffed toy back and forth in front of a 7-week-old infant. the most likely reaction the parent will receive from the infant is:

How do apple and pinaples grow

What is the difference between organism and biodiversity

What organelles are in a plant cell but not an animal cell

Which of the following statements best describes the geosphere a. the sphere that consists of solid rock layers near Earth's surface b. the sphere that includes mountains and valleys c.

Microbial population growth is represented by the graph. Based on this model, we would expect the population growth of this colony to A) be exponential. B) change over time. C) remain constant over time. D) follow a boom or bust cycle.

Fundamental differences in the cell, the basic unit of life, allow for the broadest classification of all living organisms into three domains: Bacteria, Archaea, and Eukarya.

What is the difference between discharge zone and recharged zone

One trait a plant can have is either red leaves (R) or brown leaves (r). Another trait is tall stems (T) or short stems (t). A plant used in a dihybrid cross has the genotype RrTt. What is the phenotype of this plant?

jill has a beaker. in this beaker there are two layers. the top layer is transparent with yellow tint to it, and the bottom layer is transparent and clear. jill decides that the bottom layer is probably water.

If a bug has 100 energy, how much energy would you expect a bird to get from it? (10% rule)