Arrange the following steps that occur during drought tolerance in plants in a correct sequence.

I. hormone ABA accumulation in the leaves

II. causes stomata to close

III. reduction in transpiration

IV. preventing further water loss

a. I, II, III, and IVII,

b. I, III, and IVIII,

c. I, II, and IV

d. I, III, II, and IV

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?

If an organ has six haploid chromosomes, how many chromosomes are present. 6 12

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