What is a feature of birds that makes them valuable as biological indicators? Many migrate long distances. Birdwatching is a popular hobby. Many are brightly colored. There are over 10,000 different species of birds.
- 1 How do birds impact the environment?
- 2 Which of these human characteristics evolved first?
- 3 Which of these human characteristics evolved first based on the fossil record?
- 4 Why are birds good environmental indicators?
- 5 Why are birds important to the ecosystem?
- 6 What makes humans different from animals?
- 7 Who made humans?
- 8 What makes human unique?
- 9 What are two fundamental characteristics distinguish animals from plants?
- 10 Which of the following anatomical features of the 3.2 million year old Australopithecus fossil known as Lucy suggest she was a bipedal hominid?
- 11 What are some characteristics of the oldest known hominin fossil in Europe?
- 12 What are birds biological indicators?
- 13 Are birds good indicator species?
- 14 How animals and birds are helpful for the environment?
How do birds impact the environment?
Pest control, public health, seed dispersal, ecotourism, environmental monitoring —these are some of the ways birds benefit humans. By foraging for grain, weeds, and bugs in flooded rice fields, birds like mallards help decompose the straw.
Which of these human characteristics evolved first?
Scientific evidence shows that the physical and behavioral traits shared by all people originated from apelike ancestors and evolved over a period of approximately six million years. One of the earliest defining human traits, bipedalism — the ability to walk on two legs — evolved over 4 million years ago.
Which of these human characteristics evolved first based on the fossil record?
The first human-like traits to appear in the hominin fossil record are bipedal walking and smaller, blunt canines. The oldest hominins currently known are Sahelanthropus tchadensis from Chad (Brunet et al. 2005) and Orrorin tugenensis from Kenya (Senut et al. 2001).
Why are birds good environmental indicators?
The intimate linkages between some bird species and their habitats make them useful for identifying ecosystem health. As such, they can be indicators of deteriorating habitat quality and environmental pollution, as well as metrics to determine the success of restoration efforts.
Why are birds important to the ecosystem?
Birds have ecological value as important elements of natural systems. Birds provide insect and rodent control, plant pollination, and seed dispersal which result in tangible benefits to people. Insect outbreaks can annually destroy hundreds of millions of dollars of agricultural and forest products.
What makes humans different from animals?
Humans and animals both eat, sleep, think, and communicate. Some people think that the main differences between humans other animal species is our ability of complex reasoning, our use of complex language, our ability to solve difficult problems, and introspection (this means describing your own thoughts and feelings).
Who made humans?
Modern humans originated in Africa within the past 200,000 years and evolved from their most likely recent common ancestor, Homo erectus, which means ‘upright man’ in Latin. Homo erectus is an extinct species of human that lived between 1.9 million and 135,000 years ago.
What makes human unique?
Humans are unique among the primates in how walking fully upright is our chief mode of locomotion. Unfortunately, the changes made in our pelvis for moving on two legs, in combination with babies with large brains, makes human childbirth unusually dangerous compared with the rest of the animal kingdom.
What are two fundamental characteristics distinguish animals from plants?
What two fundamental characteristics distinguish animals from plants? Animal cells do not have cell walls as plant cells do, and all animals are heterotrophs. What is the definiton of a coelomate?
Which of the following anatomical features of the 3.2 million year old Australopithecus fossil known as Lucy suggest she was a bipedal hominid?
Louis and Mary Leakey found two different fossil hominid skulls at Olduvai. Which of the following anatomical features of the 3.2 million year old Australopithecus fossil known as “Lucy” suggest she was a bipedal hominid? a much shorter hip bone that is broader from front to back and wraps around the side. 16.
What are some characteristics of the oldest known hominin fossil in Europe?
Homo erectus characteristics erectus is the oldest known species to have a human-like body, with relatively elongated legs and shorter arms in comparison to its torso. It had an upright posture. By studying the remains of the very complete skeleton known as Turkana Boy, scientists have concluded that H.
What are birds biological indicators?
Birds are good indicators because they are very easy to detect and their presence is easy to observe in any environment. Using birds as bioindicator is a function of properties of interest and resources available for ecological evaluation which promotes conservation of bird species for generation yet unborn.
Are birds good indicator species?
Birds are excellent indicators because we know so much about their biology and life histories. Birds are found almost everywhere in the world and in almost every habitat. They eat a variety of foods and as a ground have a broad range of niche requirements.
How animals and birds are helpful for the environment?
Answer: Animals help us to save our environment. Some micro organisms such as bacteria help us clean the environment; others help plants by converting free nitrogen from air and feeding the roots. Many birds are important in plant reproduction through their services as pollinators or seed dispersers.