<span>Living Things are Composed of Cells
Living Things Have Different Levels of Organization
Living Things Use Energy
Living Things Respond To Their Environment
Living Things Grow
Living Things Reproduce
<span>Living Things Adapt To Their Environment</span></span>
Well if we had a list of options we could maybe help you
The answer is breaking litter box training
Answer:
Option). NK cells.
Explanation:
Cluster of differentiation 8 (CD8) can bed defined as a transmembrane glycoprotein that acts a co-receptor for the receptor present on T cells (TCR). The CD8 is marker for 
cells (cytotoxic T cells) as it is predominantly present on cell surface of these cells.
Along with cytotoxic cells, CD8 molecule is also expressed in surface of natural killer cells (NK cells), thymocytes, and myeloid dendritic cells.
Hence, a cell having CD8 on its surface (cytotoxic T cell) would be most similar to NK cells.
Your new friend has demonstrated clanging.
Clanging is a mode of speech described by connections of words or phrases joined only by sounds and not by meaning. Clanging is a behavior that is circumstantially unsuitable. Clanging may include uncontrolled and unconscious rhyming or repetition of sounds without clear logical association between words. Also, clanging is indicative of some mental disorders such as mania and schizophrenia.
