Which statement best exemplifies the biodiversity of an ecosystem? O A small pond has about 1,300 organisms, and 26 different species living in it.
O A small forest supports a population of 35 elephants.
O A desert receives some rainfall, which supports several species of plants.
O Apond is home to animals that are able to live in the polluted water.

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