Plants respond to changes in their environment. The growth of a plant in response to a stimulus is called a (n)

hormone.

stimulus.

auxin.

tropism.

Where would sugar most likely be present in water?

Which of these is a main goal of CITES? A. To ensure that international trade does not threaten species survival B. To promote the conservation of plant genetic resources C. To keep flyways safe and natural for migrating bird species D.

When scientists explore the world around them, they are:

The table below gives some characteristics of element Y. Characteristics of element : Values Mass number 11 Number of neutrons in a single atom 6 Average atomic mass (grams/mole) What is the identity of element Y? C B Na S

Which group contains only organs in a human body? heart, brain, skin skin, blood, neuron neuron, heart, stomach stomach, blood, brain

Which cellular structure makes it possible for a cell to differ structurally and biochemically from its surroundings? select one:?

What is the main genetic issue of neurofibromatosis? Why does that cause a disease or issue?

Which part of the neuron is most closely associated with the speed with which it can convey an impulse?

While the human genome shows that we are all in fact very similar to one another at the DNA sequence level, small (and sometimes) large changes do occur.

Fossil A is found in a layer of rock that is lower than the layer that Fossil B is found in. Based on this information, which statement is correct? A) Fossil A is older than Fossil B. B) Fossil B is older than Fossil A.