Does the echinodermata group include vertabrates

You have 2 plants of the same type and same size, same amount of leaves. one of them is put inside the house and the other one is put in the balcony. you water them saturday, one plant with 200 ml and the other with 400 ml of water. which one of your plants need less water? explain.

Which feature of a human community is similar to a niche in a biological community

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel