Their is no way to answer this question, because I do not know the context of the question and what’s it asking about.
The answer is sea stars. Sea stars can then push their stomachs out of the body while inserting it into the prey thus the food is being digested externally. Echinoderms are having 5 or at times multiple of 5 arms. Their shell is made of calcium carbonate.
The plant cells contains- cell wall, central vacuole
the animal cell have- cilia cetrosomes
Both plant cells and animal cells contains - cytoplasm and mitochondrion
The main structural differences between plant and animal cells are the additional structures found in pants. The structures include, the cell wall, the chloroplasts and also the vacuoles. The similarity between them is that they both contain plasma membrane, a nucleus, a nucleolus, mitochondria, ribosomes, endoplasmic reticulum, golgi apparatus, peroxisomes and the microtubules.
Almost all enzymes will end in -ase but not all, some examples of enzymes are:
catalase
lactase
maltase
dna polymerase
amylase
lipase
trypsin
acetylcholinesterase
Answer:
D, what do people need to be happy
Explanation:
first we need to understand what positive psychology means. Positive Psychology according to Wikipedia can be defined as <em>the scientific study of the "good life", or the positive aspects of the human experience that make life worth living. </em>
Therefore the correct option is D
