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NATURAL SELECTION

Across
any difference in traits between individual organisms
a group of organisms of the same kind (in one or more populations) that do not reproduce with organisms from any other group
everything (living and nonliving) that surrounds an organism
a specific characteristic of an individual organism
a young insect that looks somewhat different from the adult
a characteristic that all members of a species have
an instruction for making a protein molecule
Type of trait that makes it more likely that an individual will survive in a specific environment
the number of individuals with each trait in a population
a long piece of DNA that contains many genes
Individual living things, such as plants, animals, and bacteria
an event or process that leads to a result or change
a way of hiding by looking the same as the background
an animal that is hunted or killed by another animal for food
something in the environment that affects an individual’s chances of surviving
to receive genes from a parent
a group of the same type of organism living in the same area
Descent with modification
Down
an idea about what might happen that is based on what you already know
an organism produced as a result of reproduction
Person who wrote "On the Origin of Species"
an animal that hunts and kills other animals for food
A measure of how many offspring are descended from one organism
the process in which two parents pass on their genes to create offspring
the process by which the distribution of traits in a population changes over many generations
a result or change that happens because of an event or process
a related organism from a previous generation
a type of molecule that genes and chromosomes are made of
a random change to a gene that sometimes results in a new trait
To stay alive
a group of individuals born and living at about the same time
A related organism in a subsequent generation
a graph that uses bars to show how characteristics or values are distributed within a group