Answer:
changes in the environment and or cross breeding
Explanation:
Answer:
d. introduce native flowering plants the adult butterflies need for nectar, their main food.
Explanation:
Organisms choose the habitat based on the availability of basic requirements such as food, nutrients, space, etc. in the region. The absence of one or more of these factors makes them choose another habitat. Butterflies feed on nectar made by plants in their flowers. To make the butterflies stay in the landscape, flowering plants adapted to local conditions should be planted. The butterflies would feed on the nectar of these plants and would stay in the landscape.
The correct answer is option (a). Parent material
The soil horizon refers to distinct layers of the soils, which are parallel to one another, but have a different composition from the layer present above and below to it.
The soil horizon can be divided into four different layers. First one is organic layer, which is the topmost layer, below this layer second layer of topsoil is present. Below top soil, subsoil is present. Below subsoil, the bottom most horizon parent material is present.
Place the object on the stage of the microscope
Explanation:
Frequency Range
1 Radio waves >0.1m <3×10
9
㎐
2 Micro waves 0.1m−1㎜ 3×10
9
to 3×10
11
㎐
3 Infrared 1㎜ to 7000A° 3×10
11
to 4.3×10
17
㎐
4 Visible light 7000 to 4000A° 4.3×10
14
㎐ to 7.5to10
14
㎐
5 Ultraviolet 4000A° to 10A° 7.5×10
17
to 3×10
17
㎐
6 X-Rays 10A° to 0.01A° 3×10
17
to 3×10
20
㎐
7 Gamma Rays <0.01A° >3×10
20
㎐