7th
Which branch of biology studies the relationships between organisms in their environments?
Ecology
What are smaller earthquakes that follow a large earthquake for days or months?
Aftershocks
What is the formula that calculates the density of an object?
p=m/v
Which type of flower lacks either sepals, pistils, petals, or stamens?
Incomplete Flower
Which isotopic is the atomic mass unit defined relative to?
Carbon-12
Which plant family helps restore nitrogen to the soil?
Pea family
Which type of volcano is broad and gently sloping with mild eruptions?
Shield
What is the closeness of a measurement to the quantity's real value?
Accuracy
What part of the flower produces pollen
Anther OR stamen
What is the name of the compound HF?
hydrogen flouride
Through which process does water in the soil enter a root's root hairs?
Osmosis
What is the point on the earth's surface directly above where an earthquake begins?
Epicenter
Which system of measurement was designed by the French to be simpler to use than the FPS system?
Metric
What do we call the one-way diffusion of water through a semipermeable membrane?
osmosis
What is the dense central portion of an atom called?
Nucleus
Which term means the uniting of a sperm cell and an egg cell?
Fertilization
What method of earthquake damage involves placing buildings on movable stilts that absorb earthquake energy?
Base Isolated
Which formula measures how quickly an object moves?
v=d/t
Which type of tissue is responsible for water and dissolved minerals being transported from the roots to the stem?
Xylem
What is the number of protons in an atom?
Atomic number
Where does the root system of a plant develop?
Radicle
What is the plastic rock in the lower portion of the upper mantle on which plates float?
Asthenosphere
What is the ratio of input distance to output distance?
IMA
Which type of plants are yeasts and mildews?
Sac fungi
Name the negatively charged subatomic particles in an atom.
Electron