Which of the following statements is true of all organisms in every environment?

A.
They avoid interaction as much as possible.
B.
They must consume other organisms for energy.
C.
They must compete for essential resources.
D.
They are able to produce their own food.

C

Explanation: All organisms someway somehow must compete for essential resources.

they must complete for essential resources.

Explanation:

In all environments, organisms must compete for essential resources because the quantities of these resources are limited. Examples of essential resources include food, water, sunlight, and shelter. Also, every population must interact with and is linked, directly or indirectly, with many others. For example, some organisms are able to produce their own food, while others must consume other organisms in order to acquire energy.

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.

linnaeus is the father of taxonomy, which is the system of classifying and naming organisms. one of his contributions was the development of a hierarchical system of classification of nature. today, this system includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species.