The right option is; d. consumers
All animals are consumers
Consumers are organisms that usually feed on other organisms or organic matter in order to gain energy because of their inability to manufacture their food from inorganic sources. All animals are consumers and they are also known as heterotrophs. There are different types of consumers. They include; primary consumers (herbivores e.g. goats, cows), secondary consumers (carnivores e.g. wolves, crocodile), and tertiary consumers (large carnivores e.g. eagle, lion)
B. Density has been decreased Or D.
A discovery that could provide evidence Against the theory of evolution is: If a primate and a trilobite fossil were found in the same rock layer. Because if that were to happen, then that means that trilobites and primates were from the same time frame, and it also means that primates did not evolve that they were the same since they first lived on the earth.
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Answer:
Arteries have thick walls composed of three distinct layers (tunica) Veins have thin walls but typically have wider lumen (lumen size may vary depending on specific artery or vein) Capillaries are very small and will not be easily detected under the same magnification as arteries and veins.
Explanation:
An example of secondary pollutant is sulfurage
