16. Define-Ecosystem.
17. Describe the two characteristic features of hormones.
18. Name the three types of consumers.
19. Name the two types of climatic factors
20. What causes diabetes?
21. Name the two main components of ecosystem.
22. Name the three abiotic components of biosphere.
23. Define - Autotrophs.
24. What is scavengers ? Give some examples
25. Name the Plant parasite.
question and answer
Answers
An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts. Biotic factors include plants, animals, and other organisms.
Hormones bring about their characteristic effects on target cells by modifying cellular activity. Protein hormones react with receptors on the surface of the cell, and the sequence of events that results in hormone action is relatively rapid. Steroid hormones typically react with receptor sites inside a cell.
Primary consumers, mostly herbivores, exist at the next level, and secondary and tertiary consumers, omnivores and carnivores, follow. At the top of the system are the apex predators: animals who have no predators other than humans.
Answer:
Answers
Question16) Define-Ecosystem.
Answer:- Ecosystem is where the living organisms interact with each other and the surrounding environment.
Question17)Describe the two characteristic features of hormones.
Answer:- 1)Hormones are secreted by endocrine/ductless gland.
2) It is poured directly into blood.
3) It acts at a specific organ.
Question18) Name the three types of consumers.
Answer:- The three types of consumers are Primary consumers, secondary and tertiary consumers.
Question19) Name the two types of climatic factors
Answer:- Pressure and Temperature are two types of climatic factors.
Question20)What causes diabetes?
Answer:- Diabetes is caused by the excess amount of sugar in blood due to lack of a hormone called insulin because of the malfunctioning of the endocrine gland pancreas .
Question21)Name the two main components of ecosystem.
Answer:- The two main components of the ecosystem are Abiotic and Biotic components.
Question22) Name the three abiotic components of biosphere.
Answer:- Water , air and soil are three main abiotic components of biosphere.
Question23) Define - Autotrophs.
Answer:- Organisms that can synthesis their own food , by synthesizing simple inorganic materials . Example :- Green Plants.
Question24) What is scavengers ? Give some examples
Answer:- Scavengers are the animals that feed on dead organisms.
Examples of scavengers include Hyena and Vultures.
Question25.)Name the Plant parasite.
Answer:- Plant parasites are parasites that obtain nutrition from plants while they are still living. Dodder is a plant parasite.