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12345678822
19.11.2019 •
Biology
Why are trees considered to be producers?
oa) they do not need food to survive in an ecosystem
ob) they depend on consumers to them make their food
oc) they get their food from other sources
od) they make their own food using energy from the sun
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Ответ:
The correct answer is D they make their own food using energy from the sun ,
Explanation:
In an ecosystem green plants act as producers because green plant uses sunlight to produce their own food by photosynthesis process.
The green plants are producers.As a result they are placed at the first tropic label of energy pyramid.The energy from green plants are transferred to various consumers.
Ответ:
Go Direct Force and Acceleration couples a 3-axis accelerometer with a stable and accurate force sensor that measures forces as small as ±0.1 N and up to ±50 N.
Note: Vernier products are designed for educational use. Our products are not designed nor are they recommended for any industrial, medical, or commercial process such as life support, patient diagnosis, control of a manufacturing process, or industrial testing of any kind.
What's Included
Go Direct Force and Acceleration
Hook attachment
Bumper attachment
Nylon screw
Accessory Rod
Micro USB Cable
Compatible Software
Choose a platform below to see its compatibility requirements.
LabQuest
Computers
Chromebook
iOS
Android
Javascript
Scratch
Python
LabVIEW
Assembly
The hook and bumper attach to the sensor by screwing them into the post.
Hook attached
Bumper attached
Getting Started
Please see the following link for platform-specific connection information:
www.vernier.com/start/gdx-for
Bluetooth Connection
USB Connection
Install Graphical Analysis 4 on your computer, Chromebook™, or mobile device. See www.vernier.com/ga4 for software availability.
Charge your sensor for at least 2 hours before first use.
Turn on your sensor by pressing the power button once. The Bluetooth® LED will blink red.
Launch Graphical Analysis 4.
Click or tap Sensor Data Collection.
Click or tap your Go Direct sensor from the list of Discovered Wireless Devices. Your sensor's ID is located near the barcode on the sensor. The Bluetooth LED will blink green when it is successfully connected.
This is a multi-channel sensor. The active channel is listed in the Connected Devices Sensor Channels list. To change channels, select the check box next to the Sensor Channel(s) you would like to activate.
Click or tap Done to enter data‑collection mode.
If using a computer or Chromebook, install Graphical Analysis 4. If using LabQuest 2, make sure LabQuest App is up to date. See www.vernier.com/ga4 for Graphical Analysis 4 availability or www.vernier.com/downloads to update LabQuest App.
Connect the sensor to the USB port.
Launch Graphical Analysis 4 or turn on LabQuest 2. You are now ready to collect data.
This is a multi-channel sensor. To change the default channel selections, see www.vernier.com/start/gdx-for
Charging the Sensor
Connect Go Direct Force and Acceleration to the included Micro USB Cable and any USB device for two hours.
You can also charge up to eight Go Direct Force and Acceleration Sensors using our Go Direct Charge Station, sold separately (order code: GDX-CRG). An LED on each Go Direct Force and Acceleration indicates charging status.
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