Amoebas are single-celled organism that need to obtain food in order to
1. release oxygen into the air
2. protect themselves from other living things
3. get the energy they need to carry out life functions
4. remove harmful chemicals from the environment

Scientific method and data analysisa biology student wanted to determine if there is a relationship between resting heart rate and bodyheight. she gathered information from 12 classmates and constructed the table below.resting heart rate (beats per minute)student height (cm)155. 156156165180180190194195

One gene can influence trait(s). one trait can be determined by gene(s).

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.