Over a period of time, many habitats (栖息地)change with respect to the types of plants and animals that live there. This change is known as succession.Succession occurs because plants and animals cause a change in the environment in which they live. The first weeds and grasses that appear...
1.主旨题:从第一段的句子:Over a period of time, many habitats (栖息地)change with respect to the types of plants and animals that live there. This change is known as succession.可知这篇文章讲的是环境栖息地的改变,选C 2.细节题:从第二段的句子:Pine seedlings (苗)soon take hold and as ...
Agronomists study different ways to cultivate and genetically engineer plants. They spend their workdays conducting experiments on plants to enhance their longevity, durability, and crop yield. The aim is to achieve the most lush, disease-free crops possible. Agronomists also spend significant time ...
Discus fish (also known as pompadour fish) are native to the tropical freshwaters of the Amazon River Basin in South America. They live in still and very slow-flowing warm water habitats near the bank of clear lakes and river courses. These fish prefer areas with a sandy bottom among driftw...
These small pet turtles grow to just 6 inches, so they are suitable for smaller habitats with good-quality filtration. However, they need plenty of floor space andaquatic plantsto really feel at home. 9. Reeves Scientific Name:Mauremys reevesii ...
Bluebells are easy to grow because they are hardy little plants. They easilyresist pests and diseaseand are usually a plant that you can just let do their thing. Bluebells enjoy moist soil conditions, provided that they are planted somewhere well-drained. They have a USDA hardiness of 4-8....
A vole is any of numerous species of small-bodied mouselike rodents that live in a variety of habitats in the Northern Hemisphere. Voles have a blunt rather than a tapered muzzle, a tail shorter than the body, and small eyes and ears.
Desert, any large, extremely dry area of land with sparse vegetation. It is one of Earth’s major types of ecosystems, supporting a community of plants and animals specially adapted to the harsh environment. In deserts, trees are usually absent, and shru
Host plant affinity and geographic distance can play critical roles in the genetic divergence of insect herbivores and evolution of insect biotypes, but their relative importance in the divergence of insect populations is still poorly understood. We used microsatellite markers to test the effects of ...
types of biotic components: producers (capable of making their own organic sustenance, such as trees), consumers (unable to make their own food and dependent on the other biotic components for feeding) and decomposers (those organisms that live on the dead animals and plants in the ecosystem.)...