A heterozygous organism has

1. three different alleles for a trait

2. Two identical alleles for a trait

3. Only one allele for a trait

4. Two different alleles for a trait

Name two types of evidence some scientists used to support Enter your answer in the space provided 1. 2.

In what order should Jerome put these models to show the development from the earliest model of the atom to the most recent one

In the 20th century where did the most ecologically destructive oil spill in the US

On assessment, the nurse notices that the child is able to sit leaning forward on both hands and can transfer objects from one hand to another. the child can fixate on very small objects and produce vowel sounds and chained syllables.

What provides support for individual plact cells and for the entire plant?

Under the Clean Air Act, science is the foundation for setting health-based air quality standards for certain common air pollutants.

In living organisms, lipids are used for O A. Quick energy O B. Transport O C. Insulation

Which process wears away tall sandstone rock formations due to wind? abrasion deflation impact plucking

Where does mitosis occur

The crucian carp, a Scandinavian fish, thrives in shallow ponds that freeze over during winter. While other creatures in the pond does from lack of oxygen, these carp are able to obtain energy through a biochemical pathway that does not require