Hypothalamus
The hypothalamus maintains a steady internal environment for the body.
The hypothalamus is a complex part of the brain that is located under the thalamus and above the pituitary gland. One of the main roles of the hypothalamus is to maintain homeostasis by keeping the human body in a balanced condition. The hypothalamus plays a part in various important functions of the body such as appetite and weight control, body temperature, emotions, sleep cycles, stress, blood pressure and levels of hormones in the circulation.
Answer:
Spindle fibers are part of a spindle apparatus that moves chromosomes during mitosis and meiosis to ensure even chromosome distribution between daughter cells. The spindle apparatus of a cell is comprised of spindle fibers, motor proteins, chromosomes, and, in some animal cells, microtubule arrays called asters .
Answer:
The given blank can be filled with acquisition.
Explanation:
An unconditioned stimulus provokes the unlearned response and an unconditioned response is the naturally taking place reaction. A neutral stimulus is illustrated as the stimulus that prior to conditioning do not generate any kind of response.
A type of learning wherein a subject begins to react towards neutral stimulus as it would perform with another stimulus by acquiring the path of associating the two stimuli is termed as classical conditioning.
An acquisition can be illustrated as the time of learning in classical conditioning where an individual begins to associate a neutral stimulus with an unconditioned stimulus that further permits the neutral stimulus to begin possessing the conditioned response.
Paleontologists can identify organisms that may be ancient relatives of those living today. By looking at fossils they can also suggest how these organisms lived together in an ancient habitat. Few organisms become fossilized because the circumstances that an organism has to be in is very specific.
