Terms
Animals that regulate their temperature by external factors.
What is cold-blooded?
The middle part of the grasshopper's body.
What is thorax?
The power plants of a cell are organelles know as.
What is mitochondria?
Those whose skeletons are made either partially or wholly ob bone are called...
What is bony fish?
Mammals that give nourishment to their young from the placenta until birth.
What is placental birth?
Two tiny cavities in the roof of its mouth containing nerve endings that are extremely sensitive to odor.
What is Jacobsin's Organ?
Solid horn-like structures that are shed annually
Diverse little organs of the cell...
What is organelles?
A large flat gill cover.
What is operculum?
A muscle that separates the body cavity into two main areas...
What is diaphragm?
When the body's blood pressure may falls to a critical low.
What is circulatory shock?
A sac of blood vessels connecting the mother and the child.
What is placenta?
If an organism has two identical alleles for the same gene, it's said to be...
What is homozygous?
A fish's skeletal muscles are arranged in w-shaped bands called...
What is myomeres?
Most animals are,______; that is, they can move their bodies from place to place.
What is motile?
A tough water-proof protein fiber that also strengthens and hardens the cell.
What is Keratin?
A tail designed for grasping objects.
What is prehensile tail?
The mixing or blending of traits.
What is incomplete dominance?
A fish senses faint vibrations and pressure changes in the water with it's...
What is lateral line?
Internal framework or skeleton called...
What is endoskeleton?
A molecule of genetic material enclosed in a geometric protein structure called a capsid.
What is Virus?
A hormone that regulates general activities related to metabolism and oxidation.
What is thyroxine?
Before a cell divides, it makes a copy of its DNA by a process called...
In both sexes, gametes are released through the...
What is urogenital opening?
The entire period of growth from fertilization to birth is...
What is gestation period?