If plant cells around the vascular tissues are created by mitosis, then how are plant cells around the vascular tissue created? Answer choices: - meiosis - metastasis - haleotosis - vegetation - shrub beds - made - homogenous - mitosis
mitosis

If starfish lack a centralized nervous system, then what lacks a centralized nervous system? Answer choices: - humans - dogs - our planet - insects - barnacles - starfish - birds - Pesticides
starfish

If carcinogens can lead to cancer in genes that control the cell cycle, then what can lead to cancer in genes that control the cell cycle? Answer choices: - radiation - adding heat - competition - ice - bacteria - air - carcinogens - Smoking
carcinogens