Thallus, holdfast and sessile colonies are used to describe algal colonies.
Thallus refers to a primitive plant like body that is not divided into root, stem and leaves.
Holdfast is a special structure that is used for anchorage to the substratum.
Sessile colonies are such colonies that uses holdfast to attach itself to the substratum.
From the above foods; oil, bread, steak, chicken, butter and pretzel, only 2 contain lots of carbohydrates. Colour the bread and the pretzel.
<span>Although amphibious frogs live on land and in water, they must lay their eggs in water or the eggs will dry up, effectively killing the offspring inside. Frog eggs are covered with a glycoprotein, which helps keep the eggs moist. This glycoprotein has to keep in contact with a source of moisture, such as water. </span>
The answer would be a panic attack.
The panic attack causes the person activates the sympathetic system that them sweating and breathing fast.
Rapid breathing will cause many CO2 removed than normal, lead to lower level of CO2 in the blood. Carbon dioxide makes the blood more acid, so lower level of CO2 will make the blood become basic, cause respiratory alkalosis which causes the numbness in feet and hands.