Difference between cycad and fern

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

Which of the following is a good strategy when it comes to desserts

Asap many people try to eliminate fat from their diets which is one reason it is necessary for humans to eat fat a) fat is the only way to get energy b) every cell in the body must contain fat c)fat stores less energy than polysaccharides d) saturated fats make blood vessels healthier