Description : In animals that do not present the circulatory system the transport of substances occurs by cell to cell diffusion. The blood is a fundamental means of substance transport for larger animals ... there are tissues distant from each other and from the environment thus making diffusion impossible.
Last Answer : What are the two types of circulatory systems?
Description : Which of the following sets of animals produce the same substance as their chief excretory product?
Last Answer : Which of the following sets of animals produce the same substance as their chief excretory product? A. ... , and antelope D. Frog, monkey, and dog
Description : What is the sticky substance called that is obtained from the hoofs of animals?
Last Answer : Feel Free to Answer
Description : The main chemical substance present in the bones and teeth of animals is: A. Sodium Chloride B. Sugar C. Calcium Phosphate D. Calcium sulphate
Last Answer : ANSWER: C
Description : In the more highly developed animals, such as humans this gas is used to regulate the activity of the heart, the blood vessels, and the respiratory system. WORKING MUSCLES PRODUCE A ... mental disturbances which can include confusion, headache, low blood pressure and hypothermia. Name this gas.
Last Answer : ANSWER: Carbon Dioxide or CO2
Description : Would the extinction of Tigers change anything with the way people treat the environment/wild animals?
Last Answer : I don’t think the majority will really care. It’ll be on the news, people will say, “Awwww, that’s sad”, and keep moving.
Description : What is the impact of transgenic animals on the environment? -Biology
Last Answer : answer:
Description : In aquatic environment, microscopic animals and plants are collectively known as
Last Answer : In aquatic environment, microscopic animals and plants are collectively known as A. Commensals B. Herbivores C. Fauna and Flora D. Planktons
Description : How do animals adapt to blend in with their environment?
Last Answer : Need answer
Description : What animals body temperature changes with temperature changes in the environment?
Last Answer : Animals such as reptiles are known as "cold blooded" animals. Their body temperatures are the same as their surroundings, and change with their environment.
Description : A self supporting community - plants and animals interacting with each other and the nonliving environment to provide a balanced system is a
Last Answer : Ans. Ecosystem
Description : Which of the following characteristics distinguish man from other animals? 1. His capacity to adapt to the needs of the environment 2. His curiosity 3. His blood groups 4. His DNA Select the correct answer from the following: (a) 1, 3 and 4 (b) 2 and 4 (c) 1, 2, 3 and 4 (d) Only 2
Last Answer : Ans:(b)
Description : Oxygen comes from the environment and carbon dioxide in the end returns to the environment. How do small animals solve the problem of taking away and bringing these molecules from/to their cells? Why isn't that solution possible for larger animals?
Last Answer : Small animals whose tissues make direct contact or are very close to the environment, like cnidarians and poriferans, make gas exchange by diffusion. Larger animals with cells without direct ... the circulatory systems play this role. Breathing Process Review - Image Diversity: respiratory system
Description : The tubular and dorsal nervous system of chordates is related to the cephalization in these animals and to bilateral symmetry. The presence of neural integrating centers with concentration of ... These features have been preserved by evolution as they provide adaptive advantage to their owners.
Last Answer : How can the tubular-dorsal nervous system in chordates be compared to the nervous pattern present in invertebrates?
Description : What makes an ecosystem? (1) A living community and its environment (2) All the plants and animals of an area (3) Carnivores and herbivores of an area (4) Producers, consumers and decomposers in a particular locality
Last Answer : (1) A living community and its environment Explanation: An ecosystem is a community of living organisms (plants, animals and microbes) in conjunction with the nonliving components of their ... a system. These components are regarded as linked together through nutrient cycles and energy flows.
Description : An ecosystem consists of – (1) producers, consumers and decomposers in a particular area. (2) all the plants and animals of an area. (3) a living community and its environment. (4) carnivorous and herbivorous of an area
Last Answer : (3) a living community and its environment. Explanation: An ecosystem consists of communities of many different species living together, and all the physical aspects of the particular habitat, such as like soil, water, and weather.
Description : The natural environment refers to - (1) The living organisms and non-living objects or factors in an area undisturbed by human activity (2) The atmosphere in a forest (3) The plants and animals in a forest (4) The atmosphere of an area-a forest, lake or an ocean
Last Answer : (1) The living organisms and non-living objects or factors in an area undisturbed by human activity
Description : Study of the relationships of plants and animals to their physical and biological environment is called C A. Astronomy B. Physiology C. Ecology D. Epidemiology
Last Answer : Ecology
Description : During ecological succession (a) the numbers and types of animals remain constant (b) the changes lead to a community that is in near equilibrium with the environment and is called pioneer community ( ... area (d) the establishment of a new biotic community is very fast in its primary phase.
Last Answer : (c) the gradual and predictable change in species composition occurs in a given area
Description : Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action? (1) Darwin's Finches of Galapagos islands. (2) Herbicide resistant weeds. (3) Drug ... ) (b) (1) and (3) (c) (2), (3) and (4) (d) only (4)
Last Answer : (c) (2), (3) and (4)
Description : Who will be responsible for the end of the world? a) Animals b) Man c) Environment d) Global Warming
Last Answer : b) Man
Description : Temperature changes, in the environment, affect most of the animals which are (a) poikilothermic (b) homoiothermic (c) aquatic (d) desert living
Last Answer : (a) poikilothermic
Description : What makes an ecosystem ? (1) A living community and its environment (2) All the plants and animals of an area (3) Carnivores and herbivores of an area (4) Producers, consumers and decomposers in a particular locality
Last Answer : A living community and its environment
Description : An ecosystem consists of : (1) producers, consumers and decomposers in a particular area. (2) all the plants and animals of an area. (3) a living community and its environment. (4) carnivorous and herbivorous of an area
Last Answer : a living community and its environment.