Answer:
1) As the body's chemical messengers, <u>hormones</u> transfer information and instructions from one set of cells to another.
2) A <u>gland</u> is a group of cells that produces and secretes, or gives off, chemicals.
3) Hormones are released into the bloodstream via small tubes called <u>duct.</u>
4) Hormones find their way through the blood to their <u>targeted/respective </u>cells.
5) Each hormone is a differently shaped key that will only fit into the correct <u>receptor</u> lock.
Photosynthesis in algae cells
Ecosystems were able to maintain themselves by cycling the
nutrients and energy obtained from external sources. The flow of energy through
a food chain is known as energy flow. At tropical level, solar energy is used by the primary producers to produce organic plants materials through photosynthesis.
Answer: (Smallest = left) (Largest = right)
Individual = community = population = biome = biosphere = ecosystem
Answer:
D) produces social solidarity
Explanation:
Answer:
Her friend
Explanation:
Rebekah is attracted to her friend to whom she is talking about that guy over the lunch. When a person is attracted to someone, he starts sharing his personal situations of life. When a person open up about his personal in front of someone it means he is attracted to that person and feels confidence in telling him. Rebekah is also in the same situation where she feels she is attracted to that guy but actually she is attracted to her friend with whom she is having chat about that guy.