Pick one of the traits (responsibility, self-esteem, sociability, and so on) that you have learned in this lesson that you feel you need to work on. Write a note on how you will go about improving it.

Explain why the plants cortex would serve as the best food source for animals

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

Which of the following requires the use of energy and the of transport proteins to move a molecule across a cell membrane?