CELL SYSTEM
What organelle is known as the powerhouse of the cell?
Mitochondria
A plant's response to changes in the amount of daylight by season or shade is called....
Photoperiodism
A chemical which is released by an animal to influence the behavior of another is called a...
Pheromone
The male part of a plant is the stamen. The female part is the...
Pistil
A fertilized egg.
Zygote
The process by which molecules move from an area of high concentration to an area of low concentration.
Diffusion
The hormone in plants which causes growth when exposed to light is called....
Auxin
A behavior which is known without being taught is called this...
Instinct
There are two stages in the plant life cycle; sporophyte and...
Gametopyte
With asexual REPRODUCTION the offspring are genetically ............ to their parents
Identical
The three products of cellular respiration in animals are water, carbon dioxide and ....
Energy
For animals, young often look like smaller versions of adults. For other organisms, they often go through major body changes as they develope. What is this phenomenon of massive physical change called?
Metamorphosis
When eggs are fertilized outside of a female's body this is called...
External Fertilization
Of the vascular plants, the gymnosperms use these structures/organs to reproduce...
Cones
A gene which causes different varieties of the same trait are called.......
Allele
The release of energy from food without oxygen is called...
Oxygen
In most mammals, an embryo developed inside its mother. The developing embryo received essential nutrients through this temporary organ.
Placenta
The behavior patterns related to how animals mate are referred to as...
Mating Systems
What types of plants have flowers?
Angiosperms
If both parents of an offspring have a dominant gene for hair color but, the trait has a different color, the offspring will have both colors of hair. What is this type of dominance called?
Codominance
The gelatinous substance in a cell in which organelles rest is called...
Cytoplasm
This is a period of time when an organism halts its growth in order to conserve energy... like hybernation or leaves falling from a tree in winter.
Dormancy
The way an organism reacts to its internal condition or its external environment is called...
Behavior
Plants rely on three different methods for dispersing their seeds; wind water and...
Animals
Human blood types are based off of combinations of three different base blood types. When this phenomenon occurs in DNA it is called...
Multiple Alleles