Answer: The correct answer is-
an agent that causes a mutation in DNA.
Mutagen is an agent or a substance that causes permanent change in the genetic material of living organisms ( DNA, deoxyribonucleic acid). This process is called mutation.
A mutagen can be a chemical, physical or biological agent that causes mutation in the DNA.
Example- Physical agents such as -
- Ionizing radiations like alpha particles, gamma rays, X-rays that brings break in the DNA and cause other damages.
- Ultraviolet radiations that creates pyrimidine dimers ( T=T) and causes replication errors if damage is not repaired.
Answer:
shown below
Explanation:
If they go extinct there would be a change in the food chain.
Just like the dinosaurs
The suggested set of activities for the corresponding principles regarding the Programs and teachers is explained below.
<h3>How to explain the information?</h3>
1. Programs and teachers engage families in ways that are truly reciprocal.
- Programs and families can benefit from shared resources and information.
- Teachers seek information about children’s lives, families, and communities.
2. Programs invite families to participate in program-level decisions and advocacy efforts.
- Programs invite families to actively participate in making decisions about the program itself.
- Programs also invite families to advocate for early childhood education in the wider community.
3. Programs invite families to participate in decision-making and goal-setting for their children.
- Programs invite families to actively take part in making decisions concerning their children’s education.
- Teachers and families jointly set goals for children’s education and learning both at home and at school.
4. Programs provide learning activities for the home and in the community.
- Programs use learning activities at home and in the community to improve each child’s early learning.
5. Programs implement a comprehensive, program-level system of family engagement.
- Programs institutionalize family engagement policies and practices and ensure that teachers, and other staff receive the supports they need to fully engage families
6. Teachers and programs engage families in two-way communication
- Strategies allow for both school- and family-initiated communication that is timely and continuous.
- Conversations focus on a child’s educational experience as well as the larger program.
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⭐️Your body cells use the oxygen you breathe to get energy from the food you eat. This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar. ... When the cell uses oxygen to break down sugar, oxygen is used, carbon dioxide is produced, and energy is released.⭐️
