Answer:
False
,As fluids speed increases air pressure decreases
Explanation:
See the image for explaination.
Plant pollen can provide information of what type of plants grew during that era and area. In turn, it can also determine how the Earth''s climate has changed over time. Identifying the species of the plants through the pollen will help because when scientists compare them to the plants today and the climates they thrive in, they will be able to tell what type of climate that certain plant existed in.
The answer is True.
The answer is step 3. Nerve impulse on a muscle cell induces release of calcium ions
Steps of a muscle contraction are:
1. Nerve impulse travels down the axon and causes a release of acetylcholine.
2. Acetylcholine binds to the receptor of a muscle cell.
3. Nerve impulse on a muscle cell induces a release of calcium ions.
4. Calcium ions induce exposing of myosin to actin.
5. Sliding of actin filaments past myosin filaments.
6. The muscle contract.
The structure of digestive tract are the mouth, stomach ,small intestine, large intestine, and anus .
<h3 /><h3>What are the layers of digestive tract ?</h3>
The gastrointestinal tract is formed by four layers , mucosa ,submucosa, muscularis and serosa are the layers of digestive tract.
Mucosa is the innermost layer , is above the mucosa , muscularis is the middle layer and serosa is the outermost layer of digestive tract
The functions of digestive tract is to digest the food , absorption of ingested nutrient and to excrete the waste products from the body . Most of the nutrients are ingested in a form that is either too complex for absorption or insoluble and incapable of being digested
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Let's eliminate this one by one.
Animal cell does not have walls. So we can eliminate The third option.
Plant cells does have walls, but they also have well-defined nucleus. So we can eliminate the second option
The leave : A. Prokaryotic as the answer
hope this helps
