19.

is called a (an)

An organism that uses energy to produce its own food supply from inorganic compounds

20.

All the interconnected feeding relationships in an ecosystem make up a food

What is a snp? answer a computer chip that recognizes differences in dna sequences variation in a single nucleotide of a dna sequence a tool used in dna research to cut segments of dna a drug developed from dna technology?

Which of the following terms means a statement that describes how natural events happen? A. Hypothesis B Theory C. Observation D. Scientific law

What is a single cell organism that will be classified as a animal

Select the correct answer. Which statement correctly describes a feature of carrying capacity? A. can only change if the population experiences migration B. can only be calculated for species with a uniform population distribution C.

3 constants in a plant scientific experiment

All the systems of the body work together to keep the internal environment of the body constant within certain limits. this process is called a. homeopathy. b. homoeostasis. c. positive feedback. d. neuroglia.

An experiment for a new asthma medication was set up into two groups. Group one was given the new drug for asthma, while group 2 was given a sugar pill. The sugar pill serves as a:

Linear equations 4x+17=-15 solve in one variable.

Because genes close together on a chromosome tend to be inherited together, they are said to form a

What are the chances of having a child with hitchhiker's thumb if both parents are hybrids? Show work