Show:
Nonspecific Biology
Mathematics
Misc.
Producers and consumers
True/False
100
Science differs from other disciplines, such as history and the arts, because science relies on ________.
testing explanations
100
The basic unit of length in the metric system is the ______.
meter
100
The repeated movement of water between Earth's surface and the atmosphere is called ________.
The water cycle
100
What is at the base of all ecological pyramids?
Producers.
100
Scientists usually believe ideas that are supported by evidence. ----------
True
200
Would a scientist who studies evolution also have to learn about other branches of biology?
Yes; the different branches of biology are interrelated
200
If an atom contains 3 protons, 4 neutrons, and 3 electrons, its mass number is _____.
7
200
The nutrient availability of aquatic ecosystems is the ______.
amount of oxygen, nitrogen, and other elements dissolved in water.
200
A bird stalks, kills, and then eats an insect. Based on its behavior, which pair of ecological terms describes the bird?
carnivore, consumer
200
Proteins that speed up the rate of reactions in living things are substrates. -----------
False, Enzymes
300
How does sharing ideas through peer-reviewed articles help advance science?
Scientists reading the articles may come up with new questions to study.
300
The standard or English system of measurement uses units such as yards, miles, quarts, and gallons. The metric system uses units such as meters, kilometers, milliliters, and liters. Why is the metric system easier to use than the English system?
The metric system is based on multiples of 10.
300
Are you likely to find zooplankton in the aphasic, benthic zone of an ocean?
No. Zooplankton feed on phytoplankton and phytoplankton cannot photosynthesize in the dark.
300
Which animals eat both producers and consumers?
omnivores
300
If too many herbivores live in a community, the predator population will decrease rapidly. ----------
False, Plant
400
Information gathered from observing a plant grow 3cm over a two-week period is called ______.
data
400
A small farming community in Texas covers 14 square kilometers. There are 420 individuals who live within the town limits. What is the population density of this community?
30 individuals per square kilometer.
400
How does an area's weather differ from an area's climate?
Weather is the area's day-to-day conditions and climate is the area's average conditions.
400
True or false Chemosynthetic producers must be near a light source ------------------
False, Photosynthetic
400
Only about 10% of the energy in a trophic level is available -------- to organisms at the next trophic level.
True
500
Isotopes are atoms of the same element with the same number of protons and a different number of _______.
neutrons
500
If an atom contains 11 protons and 12 neutrons, its atomic mass is _________.
23
500
Biogeochemical cycling ensures that _______.
nutrients will be circulated throughout the biosphere
500
All the interconnected feeding relationships in an ecosystem make up a food ________.
web
500
The human population grew slowly from the beginning of human existence, and then began to grow exponentially during the second half of the twentieth century. -----------
False, nineteenth