What is endosperm?
a. the leaves that are a part of the embryo
b. tissue that develops into a protective seed
c. coat surrounding the embryo
d. the female portion of a flowering plant via cotyledons
e. a source of food for the embryo
f. the male portion of a flowering plant

Which mechanism of transport takes place when solute particles move from a region of high concentration to a region of low concentration? active diffusion isotonic osmosis

Use the drop-down menus to match each part of the scenario to the correct scientific practice. akira records the speed of a reaction without a catalyst and then with a catalyst. akira creates a reaction without a catalyst and repeats the reaction with a catalyst. akira turns in a written lab report to his science teacher. akira wonders, "will adding a catalyst speed up this chemical reaction? " akira writes in his notes that adding a catalyst sped up the chemical reaction because the catalyst lowers the activation energy needed to get the reaction started.

At 47 months, amalia is not only able to make circles but also able to draw a girl and label her parts, such as legs, arms, eyes, and nose. this example shows that amalia has developed motor coordination that is her peers at this age.