What is the total amount of matter in an ecosystem doing

Always changing

Always decreasing

Always increasing

Remaining the same

Plants and animals that live in the ocean habitat must have adaptations which allow them to survive in very cold with a minimal amount of sunlight

In conjugation, what structure serves as a bridge between two bacterial cells?

Five closely related species of frogs live in ranges that overlap. Some breed in woodland ponds, some in lowland swamps, and some in streams. How do these five species of frogs remain separate and do not attempt to mate?

The element sodium has an atomic number of 11 and a mass number of 23. How many protons, neurons, and electrons does one atom contain?

Coronary heart disease is caused by a buildup of plaque in the arteries that supply blood to the heart. when the flow of blood to the heart is restricted or blocked, the heart can be damaged due to a lack of oxygen.

What is the role of cellular reproduction in maintaining genetic continuity

What is the trait that distinguishes primates, rodents / rabbits, crocodiles, and dinosaurs / birds from amphibians and earlier lineages?

John, a 19 year old boy, wanted to figure out why he wasn't sleeping well at night. He normally and heads to bed by 11 pm and wakes up about 6 am.

What is the base-pairing rule for DNA?

What kind of bond forms between oxygen and hydrogen in a single water molecule? A. Ionic B. Metallic C. Polar covalent D. Hydrogen