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

Which abiotic factors play important roles in tropical forests?

What statement BEST describes sound? A) It's a form of work. B) It's a type of force. C) It's a form of energy. D) It's a type of acceleration. Submit

Involuntary movements occur in these muscles when the nerve impulse passes from a sensory neuron to a motor neuron via an interneuron in the.

What was discovered in 1965 and is believed thermal energy from the big bang

What is 14.587020 to four significant digits

How do you closed digestive systems differ from open digestive systems?

Penny has been diagnosed as suffering from bulimia nervosa. it is most likely that she:

Which term describes the class of molecules that includes starch and glycogen? A. Lipids B. Carbohydrates C. Nucleic Acids D. Proteins

A 60-year-old woman has just been diagnosed with heart failure and her primary care provider is describing the concept of adaptation. which compensatory mechanisms may have masked the client's heart failure? select all that apply.

What are two possible genotypes or the offspring?