Answer is B. Porifera
Members of the phylum porifera includes animals which lack tissues. These animals are also called sponges. These are the simplest multicellular animals. Even though they are multicellular, they do not have any tissues or organs. They have cellular level of body organization. Sponges are aquatic animals and water plays a major role in the feeding, exchange of gases and as well as excretion.
In light-dependent reactions, the energy from sunlight is absorbed by chlorophyll and converted into chemical energy in the form of electron carrier molecules like ATP and NADPH.Light energy is harnessed in Photosystems I and II, both of which are present in the thylakoid membranes of chloroplasts.In light-independent reactions (the Calvin cycle), carbohydrate molecules are assembled from carbon dioxide using the chemical energy harvested during the light-dependent reactions.
TERM[ edit ]
photosystem
Either of two biochemical systems active in chloroplasts that are part of photosynthesis.
Source: Boundless. “The Two Parts of Photosynthesis.” Boundless Biology. Boundless, 26 May. 2016. Retrieved 09 Nov. 2016 from https://www.boundless.com/biology/textbooks/boundless-biology-textbook/photosynthesis-8/overview-of-photosynthesis-80/the-two-parts-of-photosynthesis-373-11599/
In the scientific method, the self-correcting nature of science usually means that mistakes or even deceptions do not last long.
Scientific Method
The scientific method is the process chosen by scientists and researchers to investigate or verify a phenomenon. It involves various steps such as making an observation, asking the question, forming the hypothesis, collecting the data, testing the hypothesis, and deriving the conclusion.
Science is always self-correcting as every piece of information is scrutinized over and over again. Often disproving existing information with appropriate evidence is considered a prestigious and high achievement. This is unlike politics, religion, etc where such a person might get prosecuted. It is often regarded as the aim of science is not to proclaim a piece of information as absolute truth but to keep improving a piece of existing information.
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Answer:
The fossil record helps paleontologists, archaeologists, and geologists place important events and species in the appropriate geologic era.
Explanation:
It is based on the Law of Superposition which states that in undisturbed rock sequences the bottom layers are older than the top layers.
Answer:
The answer is B
Explanation:
The exoskeleton of the shrimp helps protects the internal organs of the animal.
