The correct answer is false. Extinction of organisms is not solely cause by man. Even way before, extinction is already happening. It can be caused by natural or human causes. Natural causes includes volcanic eruptions, earthquakes, floods, etc.
Answer:
1. false
2. true
3. true
Explanation:
1. Annuals are the plants that complete their life cycle in one season or one year. These are the herbaceous plants that grow, flower and die in one season. Examples of annuals are geranium, marigold, etc.
2. In a flower, the whorl of petals is called corolla while the whorl of the sepal is known as calyx. In flowers, calyx and corolla together make perianth. The calyx is outer to corolla in a perianth.
3. The fruit is a matured and ripened ovary that provides protection to the seeds present in it. Fruits are formed after fertilization and may contain one or more seeds. Tomatoes are the simple berry fruits while cucumber is pepo, the modified berries. Broccoli is the flower head while celery is the edible leaf.
<span>D) plants. hope this helps</span>
Answer:
The correct answer is probably A: The needs of society help determine the types of research conducted. For example, people are more likely to research ebola when there is an outbreak, right? B isn't true: for example, society doesn't let scientists experiment on unwilling humans! C is probably true, but it is more specific than A--that is, C only applies in certain cases. Society ALWAYS applies to science. D isn't correct either: society encourages research for the greater good,
Explanation:
I did this in my class a year ago and as far as i remember it was in the 1700 but i think 1767 to be exact
