If mushrooms have special structures for penetrating a host, then what have special structures for penetrating a host? Answer choices: - a cuticle - orchids - parasites - alveoli - ferns - bacteria - epidermal - Mushrooms
Mushrooms

If veins carry blood that's heavy with carbon dioxide, then what does blood in the veins have a lot of? Answer choices: - Carbon dioxide - Carbon monoxide - h2o - Energy. - Air - kinetic energy - Decibels - Chemical energy
Carbon dioxide

If some organisms need birds to reproduce, then what do some organisms need to reproduce? Answer choices: - food - pants - fun - faith - birds - sugar - Energy - Mitosis
birds

If an apple can change shape from smooth into compacted by physical force, then what can change shape from smooth into compaction by physical force? Answer choices: - rock - apple - crust - dirt - cracks - hair - bushes - fibrils
apple