Arthritis and other similar diseases can cause a narrowing of the spinal foramen. the images below show a healthy spine and a spine with a narrow foramen. which symptom would an individual with a narrow foramen most likely experience? a. poor posture from loss of tendon attachment sites b. back pain from the compressed nerves c. increased flexibility from the constriction of muscle d. lower blood pressure from increased blood flow

4the indian leaf butterfly has traits that allow it to resemble a leaf. the bright colors of the monarch butterfly indicate that the butterfly tastes bad and can be poisonous. how does the appearance of these butterflies them to survive? f the indian leaf butterfly is able to avoid predators while the monarch butterfly warns predators away. g. the indian leaf butterfly frightens predators away while the monarch butterfly poisons predators before they can eat it. h both butterflies rely on camouflage to avoid predation. j both butterflies cooperate with one another to avoid predation.

Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.

What are positive impacts of algae? how is it used?