If you are given a quadrat of 1.5 square meters and you count the dandelions in 10 quadrats and find an average of 2 dandelions per quadrat area. Use this information to estimate the population density of dandelions per square meter in a 4500 square meter open field

How do you date a sample of rock that you suspect as being one of the earliest on earth

Which statement is a physical property? becomes moldy quicklyeasy to digestconducts electricity poorlydoes not burn

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