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geologic
The _____________ column is a simple to complex sequence of fossils predicted by
evolution.
phloem
The type of vascular tissue that carries water and minerals from a plant's roots and
stem to the leaves.
William Harvey
The 17th Century English physician known for his study of the physiology of the
circulatory system.
genus
In the Linnaean system of the classification, the ________ comes between family
and the species.
immunity
The condition of being resistant to an infectious disease.
large intestine
Digestive wastes are eliminated from the body through the __________________.
excretory
The ____________ system eliminates waste products from the body.
femur
The long bone of the upper leg is the __________.
central nervous system
The brain and spinal cord form the ________________.
cornea
The transparent layer at the front of the eye is the ___________.
double-helix
DNA has a _____________ structure.
polygenic
The type of inheritance in which a single trait is controlled by many different pairs of
genes is _______________ inheritance.
multiple allele
A gene that has more than two different forms, such as the gene for the human ABO
blood group, demonstrates ___________________ inheritance.
herbivores
Organisms that feed primarily in plants.
osmosis
What is the process of selective diffusion across a semipermeable membrane?
DNA
The substance in a cell's nucleus that contains the cell's "blueprints" and serves as
the master control program of the cell.
alleles
Two different forms of the same gene are __________.
perissodactyls
Odd-toed ungulates (such as horses and rhinocerouses).
coelenterates
The _________________, which includes jellyfish, corals, and hydras, are soft-
bodied invertebrates with stinging cells.