IM TAKING A UNIT TEST PLEASE HELP!
Which best describes fertilization and meiosis in the life cycle of plants?

I. These processes are part of the life cycle.

II. These processes produce gametophytes.

III. Fertilization produces a zygote, and meiosis produces haploid spores.

IV. Fertilization is used only by seedless plants; meiosis is used only by seed plants.

I and III

I and IV

II and III

II and IV

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