Which of the following is NOT a characteristic of all living things? A. adapt to change B. take in oxygen C. made of cells D. respond to stimuli

Which term best describes the nature of photosynthesis? A. energy attracting B. energy building C. energy releasing D. energy storing

What did Darwin think about Earth and life while he was forming his theory of evolution? A Earth changes slowly over time, so populations might, too. B Earth might cause fast, rapid changes in the traits of individuals.

What primarely determines the carrying capacity of a population

Once the "threshold" for an action potential is reached what is the sequence of events that occur? 1. potassium channels are activated and potassium ions move out of the neuron. 2. sodium channels are activated and sodium ions move into the neuron.

1. An ecosystem consists of one oak tree on which 10,000 herbivores are feeding. These herbivores are prey to 500 spiders and carnivorous insects. There birds of the same species are eating these spiders and carnivorous insects.

Drinking alcoholic beverages causes an increase in urine output. This most likely occurs because alcohol: inhibits ADH release stimulates ADH release inhibits TSH release stimulates TSH release

At what temperature does this enzyme works best

A solar flare is observed on Earth A) immediately. B) approximately eight years after it happens on the Sun. C) approximately eight hours after it happens on the Sun. D) approximately eight minutes after it happens on the Sun.

The enzyme amylase in human saliva breaks down starch polymers into smaller sugar units. however, it cannot break down cellulose polymers.

Choose one property of water that makes it unique. Describe the property and explain the chemical or physical reason that causes water to have that property.