Mutualism because both animals benefit. The Elephant gets relived from the parasites that are on it and the bird gets food.
Answer:
A
Explanation:
Enzyme activity is highest at 6.6. This means that 6.6 is the optimal pH for this enzyme. If the pH is too low or high the enzyme will denature and the enzyme activity will lower.
Cells know how to differentiate through a process called gene expression. It’s a specific combination of genes that are turned on and off.
Answer;
Insulin and the growth hormone
The hormones that are involved in building and maintaining healthy bone tissues are Insulin and growth hormone
Explanation;
Insulin has some anabolic properties for bone. It is uncertain whether insulin stimulates bone directly or indirectly by increasing muscle work and thus skeletal loading.
Growth hormone is a peptide hormone secreted from the pituitary gland under the control of hypothalamus. It directly and through IGF-I stimulates osteoblast proliferation and activity, promoting bone formation. Additionally it stimulates osteoclast differentiation and activity,promoting bone resorption.
Answer:
A: Eating a sandwich
Explanation:
During labs eating is a big no. Some food can catch on fire, or be contaminated or breed germs that can affect the experiment. Wearing googles is a good idea and tying back hair is a must when using fire. The work area should always be clean so A is the answer