Answer:
a website with .edu .gov or a book written by a famous professsor or scientist
Explanation:
D. Learned behaviors do not directly affect natural selection because they are not inherited.
This is true because learned behaviors can be taught to the offspring but do not come within them the way instincts do.
Answer:
The correct answer is the growth of the offspring to adulthood.
Explanation:
A life cycle is illustrated as the stages of development, which take place during the lifetime of an organism. A life cycle ceases with the death of an organism. Generally, the animals and plants go through three fundamental stages in their life cycles, beginning as a seed or fertilized egg, developing into an undeveloped juvenile, and eventually turning into an adult.
During the stage of adulthood, a species will reproduce, forming a new generation. A life cycle can constitute more than three fundamental stages on the basis of the species. For example, the life cycle of a human being comprises five main stages.
Answer
a balance and a graduated cylinder
Explanation
Density is mass per unit and it is property characteristic of a substance. The arrangement of the mass of atoms and their size is what determines the the density of a substance.
For a student to measure the density of seawater he/she is required to use a balance and a graduated cylinder where a balance will be used to measure the mass of the mineral sample and then a graduated cylinder to determine the volume.
The pH will decrease because lemon juice is very acidic meaning it would bring the pH level down to a more acidic value.
