- In an experiment, meat was placed in an open container and a sealed container. Maggots formed only on the meat in the open container. What does this prove?
- T or F: natural selection and artificial selection follow the same principles
- Galapagos finches are split into many different species, but they resemble each other with respect to their characteristic traits. What concept explains this?
- Darwin and Wallace read Malthus' work and realized that natural selection could result from ____________
- the physical appearance of a trait in a individual is the _____ , although in some cases traits are not easily observed
- organisms that can synthesize organic nutrients which other organisms can consume are called
- which of the following are classified as human sex chromosomes?
- true or false: a male receives all of his X-linked alleles from his father
- Select all the photosynthetic organisms- plants- fungi- cyanobacteria- algae- animals
- tertiary consumers can also be called top
- an organism that requires only inorganic nutrients and an outside energy source to produce its own organic nutrients is called a producer or an
- also called a consumer an organism that cannot produce its own organic nutrients is called an
- Biotic components of an ecosystem are considered autotrophs and heterotrophs depending on
- Most of the organic nutrients used by all organisms are produced by
- select the following ways that inorganic nutrients are made available to producers
- a heterotroph that feeds directly on plants and algae is called an
- the gene responsible for determining male gender is located on
- Because the allele for red-green color blindness is carried on the X chromosome and is recessive, the disorder is much more common in
- If a male exhibits a sex-linked trait, the allele for the trait came from the mother and resides on the
- an organism with a _______ genotype carries two identical alleles for a given gene