Cartilaginous fish do not contain any bones - their skeleton is made up of cartilage.
Answer:
Explanation:
Genetically Identical to the parent, mitosis,
Advantages: Fast and Efficient
Disadvantages: Lacks diversity
Answer:
true
Explanation:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.
1. Tropisms are directional movements or growth response of a plant to the stimulus. In nastic movements, the response of the plant is non-directional. An example of tropism is thigmotropism, which is a growth response to the touch stimulus.
2. Nyctinasty is the nastic movement of plant parts such as leaves and petals in response to darkness.
3. Thigmonasty is a form of nastic movement (of a plant or a fungus) as a response to touch or vibration.
Answer:
In an allergic response, which substance initiates inflammation?
Histamine initiates inflammation in an allergic response
Explanation:
Histamine is a chemical that is being released during allergic response which initiates inflammation
