Weegy: In ferns, the plant structure that produces sperm and egg cells is known as Gametophyte. User: Which of the following best describes why invertebrates isn't considered a scientifically valid word when classifying animals? Weegy: The following best describes why invertebrates isn't considered a scientifically valid word when classifying animals: The term invertebrates classifies animals haphazardly based on a missing characteristic rather than a common [ one. ] User: Plants have many different hormones that influence their growth, development, and life cycle. For example, a cluster of over-ripe bananas on the counter can cause a newer apple to begin to ripen more quickly and go bad. Which hormone below is found in many fruits and can become airborne and cause over-ripening and abscission? (More)

Weegy: Heatstroke could be a consequence of exercising and sweating on a day that's already hot. (More)

Weegy: The Left Ventricle is the chamber of the heart that pumps blood to the rest of the body. User: Gas exchange of CO2 for oxygen occurs between capillaries and what structure in the lungs? Weegy: Gas exchange of CO2 for oxygen occurs between capillaries and alveoli. User: Which of the following is indicated by the arrow in the image? Weegy: Antigen is indicated by the arrow in the image. User: The hollow collection of undifferentiated cells that occurs after fertilization and initial mitosis is called a Weegy: The hollow collection of undifferentiated cells that occurs after fertilization and initial mitosis is called a blastocyst. User: Which of the following statements correctly describes what happens to the diaphragm during an inhalation, when the lungs inflate? Weegy: The diaphragm contracts and flattens. [ -correctly describe what happens to the diaphragm during an inhalation when the lungs inflate. ] User: Which of the following would result in fraternal twins, who don't have identical DNA? (More)

Weegy: On Monday John bought 7 apples. On Tuesday he bought 3 times as many apples as he did on Monday. John bought 21 apples on Tuesday. Solution: 7 * 3 = 21. User: If a number is divisible by both 2 and 3 then we can say the number is divisible by Weegy: If a number is divisible by both 2 and 3 then we can say the number is divisible by 6. User: Which answer choice contains all the factors of 10? Weegy: All the factors of 10 are 1, 2, 5, [ 10. ] User: Which of the following numbers is a multiple of 6? Weegy: 882 is a multiple of 6. User: In the equation R + 14 = 39, what is the value of R? Weegy: In the equation R + 14 = 39, R = 39-14 = 25; the value of R is 25. User: Which of the following is a composite number? Weegy: 91 is a composite number. User: What is the square root of 81? Weegy: Square root of 81 is 9 or -9. User: In the equation Q – 12 = 89, what is the value of Q? Weegy: Q ? 12 = 89; Q = 89 + 12; Q = 101 User: Which one of the following numbers is a multiple of 8? (More)

Weegy: 3q + 5 + 2q - 5 = 65 User: Solve the following equation: 6y – 20 = 2y – 4. Weegy: 6y - 20 = 2y - 4; User: Solve this inequality: 9h + 2 Weegy: 9h + 2 < -79 (More)