In plants that undergo double fertilization, the structure that forms to nourish the seed is called the

a. endosperm.

b. egg cell.

c. gamete.

d. cone.

Hotspots are produced by mantle plumes that are composed of mafic magma; however, yellowstone is a hotspot that erupts more explosively because the hotspot

What specifically allowed for the transition from aquatic to terrestrial life

Baby scorpions are born with fully developed bodies, each with many special parts such as a stinging tail.

A molecular is involved in a chemical reaction causing the arrangement of its atoms to change. what is the result of this process

Which epithelial tissue type is most often found lining large ducts, such as those of the salivary glands or pancreas?

A large molecule consisting of many identical or similar monomers linked together by covalent bonds.

What is the significance of an eyespot in the cell of euglena

How does soil affect the potential hydrogen of water

4 importances of nitrogen to living things

Which of the following statements is true? (a) Extracellular signal molecules that are hydrophilic must bind to a cell-surface receptor so as to signal a target cell to change its behavior.