Grammar

If you come into contact with poison ivy, wash the affected area with soap and water within 2 hours to remove the urushiol oil that causes the rash. You can also apply rubbing alcohol or a specialized poison ivy wash to help remove the oil. Be sure to wash any clothing or tools that may have come into contact with the plant as well to prevent further exposure.

Production of offspring is necessary for a speices to surive, but it is not necessary for an individual to surive

The earth would face the destruction.

Pretty short though

~ Alex

Anabolism is the process in metabolism that builds complex molecules from simpler ones. An example sentence using anabolism could be: "During anabolism, amino acids are used to build proteins in the body."

Passive bloodstains are created when blood is deposited on a surface without the influence of external forces, such as gravity or blunt force trauma. This can occur when a person is bleeding or dripping blood from a wound onto a surface or when blood is transferred through contact with an object.

"Gymnosperms are a group of spore-bearing, non-flowering plants; common examples of Gymnosperms are the Pine, Cypresses and Spruce."

No. "Earth was" is correct.

Note: In fact, you can sometimes say it.

For example:

"If the Earth were to be hit by an asteroid".

If you want more details the grammatical terms to search for are "conditional sentences" and "subjunctive mood" .

The antonym for unicellular is multicellular. Organisms that are multicellular are made up of multiple cells, while unicellular organisms are made up of a single cell.

John was studying genetics in the hope of finding a cure for his wife's unusual condition.

Generally, no. Agar is a gel derived from seaweed, widely used in the food and medical industries. It is a common noun.

The root word for written is "write".

Muscle tissue functions in contraction. There are three types of muscle tissue: skeletal muscle, smooth muscle, and cardiac muscle. Skeletal muscles are involved in voluntary movements, smooth muscles are found in organs and blood vessels and help with involuntary movements, and cardiac muscle is found in the heart and helps with pumping blood.

A body of water enclosed by an atoll is a lagoon.

Passive immunotherapy involves transferring antibodies produced by another individual or synthesized in a laboratory to help the immune system fight off infections or diseases. This approach provides temporary immunity and can be particularly useful for individuals who are immunocompromised or unable to mount an adequate immune response.

Pungent food is sharp, biting or acrid. Examples of pungent foods are: Bhut Jolokia chili pepper, garlic, clove,pepper ginger mustards , horseradish , wasabi , onion, etc..

Landsat 7 is the Enhanced Thematic Mapper Plus (ETM+). ETM+ is a passive sensor that measures solar radiation that is either reflected or emitted.

The 83rd Academy Awards will be held on Sunday, February 27, 2011 at the Kodak Theatre in Hollywood. ABC will air a live telecast at 7:30 p.m. CT. There will be a 90-minute red carpet special that begins at 6 p.m.

The simple predicate is "have learned" because it shows the action or the verb that the subject "scientists" is doing.

Indirect reproduction is a form of reproduction in which offspring are produced from gametes that develop into larvae or juveniles that undergo metamorphosis before reaching reproductive maturity. This differs from direct reproduction, where offspring are produced by mature adults without undergoing larval stages.

an adjective; it modifies the noun "geeks" by specifying "what kind of geeks."

Compound adjectives preceding the noun that they modify are hyphenated: white-coated geeks. The hyphen is required, unless you mean that non-white geeks without coats cannot be called biologists.

We observed the phototropism of our plants.

Nerve cells are a part of the nervous system.

There are nerve cells all around the body.

Without nerve cells your body would not function the way it does.

The singular form is bacterium; the plural form is bacteria.

The earth's biosphere is naturally subject to change.

I manhandled the whole nine yards of top soil into the rose garden all by myself.

Are there more than one variety of top soil available for delivery?

I would like to have six cubic yards of top soil delivered tomorrow if possible, please.