When male lions reach sexual maturity, they leave their group in search of a new pride. this can alter the allele frequencies of the population through which of the following mechanisms?
natural selection
genetic drift
gene flow
random mating

What are the result of when individual components in an organism interact with others to create noval stucture and function called

Which could be a pathway of food through an ecosystem

Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens