1.Fertilization occurs when sperm fuses with egg.
2.Bacteria
Just took the test and they were both correct.
Planaria lives in freshwater and have eyespots
earthworm live in soil have mouth and anus and they have no eyes
The tertiary consumer will receive 500 calories.
<u>Explanation:</u>
Calories produced by the producer = 500,000
The flow of energy through different trophic levels is 10%
After producer comes the primary consumer followed by secondary consumer followed by tertiary consumer.
Energy reached to primary consumer = 
= 50000 calories
Energy reached to secondary consumer = 
= 5000 calories
Energy reached to tertiary consumer = 
= 500 calories
Therefore, the tertiary consumer will receive 500 calories.
Answer:
if you are not using alcohol (95% ethanol), you are not decolorizing the wall of the gram-negative bacteria, which should get rid of the violet color, therefore the safranin stain, in the next step, won't be absorbed in the wall, and the bacteria will end up being purple due to the previous crystal violet stain of the gram-positive bacteria
Explanation:
The functions of carbohydrates include: A, B, and D.
<h3>Functions of Carbohydrates</h3>
- The primary function of carbohydrate is, it serves as energy source for the body.
- Also, carbohydrates form part of the essential structural components of organism and is needed for building macromolecules.
- Carbohydrates are also part of the structure of nucleic acids which serve as storage for hereditary information.
Therefore, the functions of carbohydrates include: A, B, and D.
Learn more about carbohydrates on:
brainly.com/question/3423402
