<u>Answer</u>:
A) Determine the average number of times during a week in May that a group of bees visits flowers.
<u>Explanation</u>:
These observations may be mostly qualitative in nature at the real or exploratory stage of a study, but trials are usually done to show them in the form of quantitative data at some later stage. It is important that experimental information must be accumulated and arranged in a sequential fashion and in a form which can be understood by all: ideas may be more easily extracted, and results will be more easily drawn from data which have been arranged into a coherent pattern.
The best way to increase validity of data in an experiment is by performing the experiment numerous times and obtaining measurements and data upon each run of the experiment.
Because it could harm wildlife.
Answer;
-Pellicle
Explanation;
-Protist cells may contain a single nucleus or many nuclei; they range in size from microscopic to thousands of meters in area. Protists may have animal-like cell membranes, plant-like cell walls, or may be covered by a pellicle.
-On a paramecium's exterior is found the pellicle. The pellicle is stiff to maintain the paramecium's shape and provide stability but it is also flexible to allow movement. It also acts as an attachment site for external organelles such as cilia.
Answer:
A. Rock pieces
Explanation:
Abrasion is the breaking down and wearing away of rock material by the mechanical action of other rocks. Three agents of physical weathering that can cause abrasion are moving water, wind and gravity. None of those are agents of abrasion. But Rock pieces are a result of abrasion.