B. beginning of multicelled life
C. first appearance of most invertebrates
D. dominance of non avian dinosaurs​
Answer:
C) first appearance of most invertebrates.
Explanation:
The Cambrian Explosion occurred 542 mya. The earliest complex animals arose in the sea at the beginning of the Cambrian Explosion. It would take another half a billion years for mammals to rise. Multicellular life dates back 1.2 bya, but more cpomplex life, such as animals, did not occur until the Cambrian Explosion. In the beginning of the Cambrian Explosion, many soft-bodied animals, such as jellyfish and sea anemones appeared.
Answer:
C
Explanation:
First appearance of most invertebrates
B. Sunlight
C. Water
D. Oxygen
Sugar and oxygen are the byproducts of photosynthesis. Sugars are created during photosynthesis using carbon dioxide and water, hence option D is correct.
Plants use sunlight, water, and carbon dioxide to produce oxygen and energy in the form of sugar in a process known as photosynthesis.
In the case of plants, the pigment chlorophyll is responsible for light absorption.
A chemical process called carbohydrate formation allows the sun's energy to be stored as "food." Energy for all aspects of plant development and maintenance is provided by the carbohydrates created during photosynthesis.
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The product of photosynthesis is C. oxygen
Photosynthesis is the process by which plants convert carbon dioxide and water into glucose and oxygen. Plants need energy from sunlight for this process to occur. The green pigments in plants called chlorophyll are responsible for getting this energy from the sun. During photosynthesis, light energy is converted to chemical energy. This chemical reaction can be represented using the chemical equation:
The substances that appear to the left of the arrow are called the reactants. They are the starting substances. In this case, the reactants are carbon dioxide and water. The substances to the right of the arrow are called the products of the reaction. They are the new substances formed. In photosynthesis, the products are glucose and oxygen.
The site for photosynthesis in the plants are the leaves. Leaves have stomata or tiny openings that allow carbon dioxide, water, and oxygen to diffuse into and out of the leaf. The size of the opening of the stomata are controlled by guard cells which respond to certain stimuli or conditions that determine whether the stomata must be closed or opened.
The products of photosynthesis are carried to different parts of the plants called the phloem. The breakdown of glucose releases energy that plants need to grow.
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Answer:
Atria and ventricles those are the answers
Explanation:
Answer:
The egg duhhh
Explanation:
Answer:
egg
Explanation:
Mitosis is a process cell division, where one cell divides into two identical cells. Mitosis consists of four phases - prophase, metaphase, anaphase, telophase and cytokinesis.1. Prophase: Chromatin in the nucleus condenses and chromosomes pair up.2. Metaphase: Chromosomes line up at the centre of the cell.3. Anaphase: The sister chromatides separate from each other to the oposite sides of the cells.4. Telophase and Cytokinesis: Membrane forms around each set of chromosomes on two opposite sides of the cells and cell divides into two identical daughter cells.