Answer:
Poriferans.
Explanation:
The evolution of the organisms has been occur from the simple organisms and leads to the evolution of the more complex organisms. This complexity arises due to the changing environment of the organisms.
The protozoans are the simplest organisms and all the other animal lineage has been derived from the porifera. The porifera are the cellular organisms that do not have tissue level of organization and simple physiological system. Later, diverse and complex organisms arise from the porifera.
Thus, the correct answer is option (1).
Answer:
The preferable option will be - B.
B. A 28-year-old anorexic female
Explanation:
- Anorexia is simply known as an eating disorder.
- Losing weight, fear of gaining weight, and a strong desire to be thin are the most popular symptoms.
- Some genetic problems, some social connection factors from the glamour world, athletics, etc. But the exact accurate cause is still unknown.
- Some complications are seen such as osteoporosis, infertility, heart damage, and menopause.
The BMI categories are -
- Mild disease - greater than 17,
- Moderate disease - 16 to 17,
- Severe disease - 15 to 16,
- Extreme disease - less than 15.
The different types of plant tissues are:
1. Meristematic tissues - It is of three types: Apical, Lateral and lntercalary.
2. Permanent Tissue - It of two types: Simple and Complex tissues. Simple tissues are of three types Parenchyma, Collenchyma and Sclerenchyma.
Complex tissues are of two types - Xylem and Phloem.
Answer:
A) Image A represents a peptide hormone that interacts with a receptor, and image B represents a steroid hormone that interacts with the cell's DNA.
Explanation:
