Chapter 1 - Evolution, The Theme of Biology, and Scientific Inquiry

cellular progeny

Before a cell splits, the DNA is duplicated or copied, and each of the two ________ inherits the whole set of chromosomes from the parent cell.

leaf

A(n) ________ is thin, has a flat form that enhances sunlight collection by chloroplasts.

units of heredity

Genes are the ________ that are passed down from parents to children.

microscope

A(n) ________ is required to view the tissues of a leaf.

epidermis

The ________ (right) is a kind of tissue found in leaves, on the side of the photograph)

DNA

Some organelles, such as the ________- containing nucleus, are found in the cells of all eukaryotes; other organelles.

biology

In ________, reductionism is a strong technique.

biological community

A(n) ________ is the collection of organisms that live in a certain environment.

CO2

The pores that run through the epidermis allow ________ gas to enter the body which is a raw ingredient used in the manufacture of sugar.

cell

A(n) ________ in leaf tissue is enlarged in the image attached above.

tiny patches of beach

A mouse has few hiding spots among the ________ grass that dot the dazzling white sand dunes near Florida's coast.

tight color

Because hawks, herons, and other sharp- eyed predators survey the terrain for prey on a regular basis, the ________ match of coat (fur) and surroundings is critical for survival for both beach mice and inland mice.

Chlorophyll

________ is the pigment that makes a leaf green, and it absorbs sunlight during photosynthesis.

single cell

Some creatures are made up of a(n) ________ that performs all of the activities of life.

Cell Theory

Based on the discoveries of several experts, the so- called ________ was originally established in the 1800s.

DNA

Each chromosome has one very long ________ molecule with hundreds or thousands of genes, each of which is a portion of the chromosome's ________.